Pokémon Infinite Fusion is a Pokémon Fan Game in RPG Maker that incorporates fusionsnote into the world for the many Pokémon of the first seven generations (the latter five to a lesser extent). The result is a Pokédex with over two hundred thousand different Pokémon to obtain from fusions.
The plot and setting are largely the same as Pokémon Red and Blue, but with the added story of fusions becoming a new trend in the Kanto region thanks to Silph Co. distributing the DNA Splicers to various stores and trainers. Meanwhile, Team Rocket has its own plans with this new trend, trying to push the boundaries of this phenomenon to its limits.
For those that want to play the game, check here, but if you only want to see the fusions, please feel free to check out the Fusiondex.
If you're looking for the other Pokémon fusion-centric game, check out Pokémon Fusion Generation and its mostly-complete sequel, Fusion Generation II.
This Fan Game and the many fusions contain the following tropes:
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Tropes A-F
- Adaptational Jerkass: In the games, Eusine has a friendly rivalry with the player and accepts that Suicune likes them better than it likes him. In this game, not only does Eusine attempt to out-and-out con the player, he floods an entire town in an attempt to attract the legendary beasts, denies doing it, and leaves the player to sort out the mess once he fesses up.
- Adaptational Nice Guy: Downplayed. Blue is still a bit of a jerk, but he occasionally gives you items and advice without a second thought. Most notably, although he’s still more interested in fighting the main character than in defeating Team Rocket in Silph Co, here, he at least accompanies you in beating Giovanni rather than leaving you alone to do it.
- Adaptation Expansion: This game is essentially Pokémon Red and Blue, but with a lot more content to it:
- The fusion gimmick allows the player to fuse any two Pokémon into a whole new Pokémon that derives their stats, moves, and abilities from. When considering the total roster of Pokémon included in the region, the ability to fuse Pokémon results in the number of obtainable creatures totaling in the hundreds of thousands.
- The Johto region and its many Pokémon are featured as another place to explore halfway through the game, akin to Gold and Silver with the Kanto region for its post-game.
- In addition to the Pokémon of the Kanto and Johto regions, those from other regions are also featured to a lesser extent. Including Hoenn, Sinnoh, Unova, Kalos and even Alola.
- Adapted Out:
- Out of the current (as of Generation IX) bestiary of 1,010 Pokémon species, roughly fifty-five percent of them are absent from the game. This is due to software constraints; were every Pokémon in existence present in the game, the sheer number of fusions would result in the game's performance tanking due to having to process millions of sprites.
- Dusk Form Lycanroc is absent from the game beyond being a sprite for fusing Midday and Midnight Lycanroc together, as it's too physically similar to the Midday form to make Dusk fusions look significantly different from Midday ones aside from color.
- Regional and convergent forms of Pokémon aren't programed in as separate species due to the majority of them having the same body and head shape as the originals, thus reducing the distinctness of their fusions. However, they're represented visually in the form of alternate sprites for the originals and various fusions.
- The map doesn't continue west past Ecruteak City in Johto, so Olivine City, Cianwood City, and other areas in that region, like the Whirl Islands and the Johto Safari Zone, don't appear in the game (although, it's possible to visit some of them via the magic boots's debug system). However, Jasmine and Chuck (the Gym Leaders from those two cities) are on vacation in the Sevii Islands and are willing to battle, so players can still collect all 8 Johto badges.
- All Your Powers Combined:
- Eevee/Eevee has its fusion take on a form with aspects from all of its Eeveelutions.
- Regigigas/Regigigas creates an entity that combines all of the Regis together.
- Annoying Pop-Up Ad: Referenced; Porygon-Z/Lopunny & Gardevoir/Porygon-Z both result in parodies of "Hot Girls In Your Area" pop-up ads. Machoke/Porygon-Z features one encouraging users to "GET SWOLE NOW", while Machamp/Porygon-Z has one advertising free shinies.
- Anti-Frustration Features:
- Many evolutions involving trades, items, and locations have been simplified to make them easier to obtain.
- Pokémon that traditionally evolve through trade will evolve once they reach a certain level. Using the item they're usually traded with on them also acts as a method of evolution.
- The Linking Cord from Legends Arceus reappears here to serve as an evolution-inducing item for Pokémon that don't need to hold an item while being traded.
- In addition to the King's Rock, Slowpoke can evolve to Slowking if the far more common Water Stone is used on it.
- Friendship evolutions (save for the Eeveelutions, which were changed to other methods) are instead level-up evolutions.
- Location-based evolutions, along with a few that require multiple conditions to be met (Gliscor, Weavile, Espeon, Umbreon, and Sylveon) instead use thematically appropriate stones.
- Kirlia and Snorunt can evolve into Gallade and Froslass regardless of gender.
- Save for affecting what form of Lycanroc Rockruff becomes, time of day is a complete non-factor for evolutions.
- Some NPCs, sidequests or items you can find reward you with special key items that replace the HM you used to reach them (ex. the Shears will allow you to use Cut, while the Teleporter will act as a substitute for Fly).
- At the Cinnabar Island lab, one NPC will allow you to fight a trainer with a very strong Pokémon. Defeating it will grant you the Infinite Splicers essential item. After the postgame, you can fight the other three trainers, which will give you the Infinite Reverser essential item and upgrade your Infinite Splicers.
- One NPC at Resort Gorgeous will ask the player to show a random Pokémon fusion every day. Should you have the right fusion to show to the NPC, you will be rewarded with a Master Ball, and for each successful request, you will also get Rare Candies, plus a Master Ball every ten times you show the fusion she requests.
- Morning Sun and Moonlight can be used to respectively change the time to day and night, which eliminates having to wait for time-dependent encounters.
- If you manage to get 5000 points at Goldenrod Tower's quiz show, you will be rewarded with the Box Link, a key item that allows you to have access to your PC even outside of areas that don't have PCs.
- Although you only need positive or negative 10 karma to access the karma-dependent Mythical encounters, the stat can go far beyond that in either direction. Donating 5000 dollars to an old lady in the Dragon's Den will reset your karma to zero to make grinding karma to get the other mythical much easier.
- All choice prompts related to fusing Pokémon default to "No" to prevent accidentally combining or uncombining things if you're mashing through text or using the built-in speedup function at speeds faster than the text can print out or be read.
- Once you complete enough quests, you will be rewarded with a Sleeping Bag, which allows you to sleep anywhere in the game for free.
- Many evolutions involving trades, items, and locations have been simplified to make them easier to obtain.
- Awesome, but Impractical:
- Too many examples of Pokémon with fantastic sprites, but awful stats to count. Unown, Duskull and Gastly fusions are well-known for their absolutely amazing spritework, unfortunately, their power is less than stellar.
- Triple Fusions. To even get them, you need to acquire three compatible legendary/mythical Pokémon and bring them to Colress once he has perfected the triple fusion machine. Despite Colress warning you about the dire power of these Pokémon, they are... really not all they're cracked up to be. Their stats are usually not significantly better than those of a normal legendary, they tend to have pretty generic abilities (except Zapmolticuno with Serene Grace), and while they have very varied movepools and more STAB options than regular Pokémon, in some cases their typings leave them with really bad weaknesses as well. And since they hatch from eggs, they start at level 1, making them a hassle to train up at a point where your team is probably in its 60es-70es at least.
- Regiregi, the fusion of Regirock, Regice and Registeel, is a notable example. It's an exception to the usual rule about triple fusion stats - its base stat total is 730, higher than Arceus. But it comes with a catastrophic 8x weakness to Fighting and 4x weakness to Ground, two very common and powerful offensive types, as well as 3 less significant normal weaknesses to Fire, Water and Steel. The result is a Pokémon that tries very hard to be a Mighty Glacier but ultimately fails to deliver due to having way too many exploitable weak points, even with an impressive 200 in both base defenses.
- Badass and Child Duo: The majority of Kangaskhan fusions typically result in the baby becoming the mother's pre-evolved form (if it has one) or another Pokémon that it has sired/is related to.
- Badass Family:
- A few Kangaskhan fusions will have the mother accompanied by more than one baby.
- Fusing two Rattatas will result in one huge Rattata wearing a crown, surrounded by a pack of regular Rattatas.
- Bait-and-Switch: Like in the vanilla Gold & Silver game, the Lake of Rage features a red Gyarados to encounter as it causes a ruckus. Except encountering it reveals it to be a Gyarados fused with a Magikarp to give the latter's red coloration, not a shiny red Gyarados.
- Big Ball of Violence: Dodrio/Machamp results in a large dust cloud with the Dodrio's heads and a dozen fists sticking out.
- Black Comedy Burst: Certain fusions are less kind to the Pokémon in question:
- Exeggcute/Magikarp turns them into a cooked platter consisting of a Magikarp head and Exeggcute done sunny-side-up.
- Magikarp/Aegislash has the former diced, cooked & served on a plate by the latter with chopsticks in hand.
- Rotom/Blaziken creates a deep fryer-form Rotom... with half of Blaziken sticking out of the blazing grill as if being fried alive. It's even funnier with Rotom/Combusken, as it leads to a similar fusion to that of Rotom/Blaziken, but with Combusken's feet sticking out of the deep-fryer instead.
- Torchic/Honedge & Honedge/Combusken also follow the fried chicken theme, the former being a whole deep-fried Torchic attached to a bone, while the latter has the "blade" be a large drumstick while the tassel is holding a scoop of falling chicken nuggets.
- Raticate/Cofagrigus feature the former getting pinned in a Mouse Trap; the equivalent of a coffin for rodents.
- Tangela/Rotom & Tangrowth/Rotom results in the former being turned into a cup and pack of noodles respectively inside a microwave-form Rotom. It still has eyes.
- Fusing the head of a Honedge with all members of the Geodude line results in an Amusing Injuries example of Impaled with Extreme Prejudice by having the sword stabbed into their stony heads, non-lethal but shown by their crying to still be quite painful.
- Honedge/Slowpoke has a somewhat dark representation of acquiring the common Slowpoke Tail ingredient by having a blood-covered blade with the tail in its tassel, while Honedge/Slowbro replaces the tail-biting Shellder with a normal Honedge stabbed into its butt, to the Slowbro's blatant displeasure.
- Gastly/Exeggcute results in a distraught-looking Gastly emerging from a cracked open Exeggcute with yolk seeping out.
- Body Horror: Several fusions result in horrifying amalgamations.
- Zubat/Tentacruel is a giant flying jellyfish with veins bulging across its wings and the orbs on its head. What should be Tentacrue's face is instead a giant Zubat mouth.
- Gardevoir/Parasect has the Gardevoir's too-long limbs and neck emerging from a mass underneath what resembles a bridal veil stinkhorn mushroom.
- Machoke/Machoke depicts the Pokémon in the midst of evolving into Machamp, staring in horror at an additional arm emerging from its back.
- Doduo/Lickitung has the Doduo's necks and heads emerging from the Lickitung's eyes.
- Boring, but Practical: It is usually better to evolve a fusion for the increased stats, even if the fusion's evolution has a sprite that isn't as cool as its current form.
- Breaking the Fourth Wall: Talking to the game's creator in Celadon City has him address you by your OS profile's name instead of your character's name, then ask "How's that for breaking the 4th wall?". A man on the next floor up comments on how creepy it is that this guy knows people's names without being told them and attributes the source of his knowledge to "something about Windows environment variables".
- Call-Forward: An Absol, which are known for appearing just before disasters, appears at Cinnabar Island, with a woman nearby hoping that it doesn’t mean that anything bad will happen to Cinnabar. As the Gen II games show, Cinnabar will soon be destroyed in a volcanic eruption.
- The Cameo: A few Pokémon not available in the game appear as cameos in some fusions:
- While only the original four Regi are available, the other two make cameos in Regigigas/Kangaskhan, Regigigas/Regigigas & Regigigas/Dugtrio.
- Roserade/Machamp has a Polteageist acting as a sort of sidekick.
- Corsola fusions often have various Pokémon (either Water-type or not but still based on sea creatures, with Luvdisc appearing more commonly than others) around them:
- Corsola/Arceus is surrounded by Relicanth, Luvdisc, Finneon, and Binacle.
- Corsola/Genesect is surrounded by Relicanth, Luvdisc, Huntail and Alomomola.
- Corsola/Breloom is surrounded by multiple Luvdisc and a Gorebyss.
- Corsola/Hypno wields an Inkay as a pendulum.
- Corsola/Dodrio is surrounded by Alomomola, Tirtouga and a School Form Wishiwashi.
- Corsola/Slaking has a Wiglett popping out from its neck fur.
- Corsola/Drifloon and Corsola/Drifblim have respectively a Wingull and a Pelipper circling around them.
- Corsola/Jirachi has a Finneon, a Clauncher, a Relicanth, a Huntail, two Luvdisc and two Wishiwashi floating over its head.
- Corsola/Elekid, Corsola/Electabuzz & Corsola/Electivire have respectively a Tynamo, an Eelektrik and an Eelektross as companions.
- Corsola/Nidoqueen has a Corphish nearby.
- Corsola/Klefki has a Luvdisc and a Gorebyss as two of the keys hanging down.
- Corsola/Zorua has two Luvdisc swimming around.
- Corsola/Cofagrifus has a few Luvdisc around it, plus a Gimmighoul to tie with its treasure chest theme.
- Corsola/Aggron has a bunch of Luvdisc and a Huntail around, plus a Wiglett living in the Aggron head.
- Corsola/Garchomp has two Barboach floating around.
- Corsola/Muk has a Bruxish behind.
- Corsola/Lickilicky has various Wishiwashi inside its body.
- Torterra fusions also have various Pokémon on their backs:
- An Applin is visible on the back of Torterra/Garchomp.
- Pumpkaboo appears on Crobat/Torterra's back.
- Pumpkaboo and Espurr can be seen on Mismagius/Torterra's back.
- A Sewaddle appears on Meganium/Torterra's back.
- A Wingull appears around Lanturn/Torterra.
- Skrelp, Finneon and Relicanth appear on Lileep/Torterra's back.
- Gardevoir/Torterra has a Starly on its head.
- Armaldo/Torterra has a Centiskorch on its back.
- Dratini/Torterra has a Dreepy swimming in the lake on its back.
- Binacle and Wiglett can be seen on Shellder/Torterra's back.
- Banette/Mimikyu has the resultant fusion sport arms with patterns akin to that of Plusle and Minun.
- Exeggcute/Arceus has Uxie, Mesprit and Azelf as three of its eggs.
- Prior to the introduction of Cresselia into the game, the fusion for Porygon-Z/Porygon-Z nonetheless took a heavy resemblance to the Legendary, to the point that it has now been repurposed as a Porygon-Z/Cresselia fusion.
- Sudowoodo/Houndoom has a Pumpkaboo close to it.
- Bibarel/Persian has a Wishwashi captured in its paws.
- Budew/Teddiursa has it playing with a Combee and Cherubi.
- Garbodor/Kangaskhan keeps a Simisear in its pouch.
- Raichu/Kangaskhan has Plusle and Minun in its pouch.
- Sunflora/Ariados has a Cutiefly trapped in its web.
- Snorlax/Dusknoir has a Milcery getting sucked into its mouth.
- Pikachu/Magneton, Raichu/Magneton & Raichu/Magnezone feature Plusle, Minun and Togedemaru together.
- Challenge Run: Replaying the entire game unlocks the option to play all trainer battles in a 2v2 or 3v3 format.
- Console Cameo:
- A Rotom/Poryzon-Z alt sprite is a Nintendo Switch, though the screen is glitchy, akin to Missingno.'s texture.
- Rotom/Shellder turns into the Game Boy Advance SP, paired with the Wireless Adapter that was bundled with FireRed and LeafGreen.
- Rotom/Metagross becomes a cluster of gaming consoles/controllers. Specifically, it's composed of an NES controller, Wii remote, and the Switch Joycons for the legs, and a GameCube body with a Xbox 360 X overlay that also features the four PlayStation button symbols.
- Porygon/Yamask replaces Yamask's mask with a Game Boy.
- Pikachu/Spiritomb results in a fusion replacing the Odd Keystone with a Game Boy.
- Voltorb/Rotom & Electrode/Rotom makes a Rotom inside of a Pokéwalker (the pedometer accessory that was released alongside HeartGold and SoulSilver).
- Rotom/Stunfisk creates a Nintendo 3DS.
- The player character's bedroom has a PlayStation 5 hooked up to the TV.
- Constantly Lactating Cow: Many Miltank fusions are visibly producing milk or cream. Some of them produce it in such great amounts, it compares to a firehose's output of water.
- Cool, but Inefficient:
- While some fusions are incredibly cool-looking, they perform sub-optimally in battle due to involving Joke Character species, unevolved Pokémon, or components whose base stats don't mesh well with how fusion stats are calculated note.
- Unown fusions often spell out interesting phrases or make intriguing shapes, but are let down by all of Unown's stats being subpar at best.
- Duskull and its evolutions are popular fusion components due to often making awesome-looking fusions (with Duskull creating skeletal mons and Dusknoir making intimidating ghostly beasts). However, the only good stat the fusion inherits from that line of Pokémon is one of their defenses, as their other stats are too low to be of much use.
- Despite the scores of creative custom sprites for fusions with Gardevoir as the body, such fusions often have overly generalized stats that don't allow them to succeed at anything or are mediocre Glass Cannons because they inherit Gardevoir's mediocre physical stats in addition to its respectable speed.
- Sometimes one of the fusion options has a cooler sprite but it also has a worse typing/stat distribution.
- While some fusions are incredibly cool-looking, they perform sub-optimally in battle due to involving Joke Character species, unevolved Pokémon, or components whose base stats don't mesh well with how fusion stats are calculated note.
- Cool Sword: Many fusions which utilise the Honedge line as the fusion's body will lead to a fancy-looking sword taking inspiration from the other Pokémon which was fused in.
- Cyber Green: Some Porygon fusions sport patches of green meant to emulate that which is used on computers. Examples include Porygon/Haunter (which has green coloured binary code within the fusion's mouth), Porygon/Cubone (which colours the fusion's bone green) and Porygon-Z/Pidgeot (whose head crest is turned into a green grid).
- Dangerous Forbidden Technique: While triple fusion produces very powerful Pokémon, creating one takes lots of resources and comes at the risk of killing the fusion components.
- Department of Redundancy Department:
- Averted when fusing identical Pokémon, as the resulting fusion will have a custom sprite and will gain extra XP.
- Since Doublade is just two Honedge put together already, Honedge/Honedge results in a Honedge Palette Swap of Doublade. The same goes for Beldum/Beldum, Metang/Metang and Metagross/Metagross as Metang, Metagross and Mega Metagross are noted to be fusions of their previous forms.
- Developer's Foresight:
- One quest at Celadon City involves going for a walk with an Eevee. However, it's possible to trade said Eevee for an Elekid, which will replace the former. Doing so will make the quest giver upset, but you will complete the quest regardless.
- You normally don't have access to Saffron City, as its gate are blocked by Team Rocket grunts requesting an hefty toll of 100.000 poké, and you're required to defeat them in order to proceed. However, if you somehow manage to get all that money and pay the grunts, you'll get access to Saffron City early, allowing you to skip Rock Tunnel. However, you will be unable to go to Silph Co., until you proceed with the main story.
- Doppelmerger: It is possible to fuse two specimens of the same species. Whilst it usually leads to the resultant fusion looking the exact same (and there is normally no change in stats or typing anyway), some Pokémon get unique sprites, usually referencing Mega Evolutions and other Super Modes.
- Down the Drain: A new area encountered in the game is the Celadon Sewers, where you must team up with Erika to stop Team Rocket. Fittingly, it contains a lot of Poison-type Pokémon, and a key mechanic is drawing and refilling the sewers to navigate them.
- Easter Egg: Fusing Palkia with a select number of Pokémon results in a fusion depiction of the zodiac. Ampharos for Aries, Tauros for Taurus, Gardevoir for Gemini, Kingler for Cancer, Luxray for Leo, Jynx for Virgo, Machamp for Libra, Gliscor for Scorpio, Rapidash for Sagittarius, Vaporeon for Capricorn, Gallade for Aquarius, Seaking for Pisces, and Steelix for Ophiuchus.
- Eldritch Abomination: Paldiatina is depicted as one, and being a fusion capable of bending spacetime and antimatter, it doesn't come as a surprise. Even Cynthia, the premier badass of the series, is terrified of this thing, to the point that she resorts to battling the player character in an attempt to dissuade them from confronting Paldiatina. The approach to it is full of Interface Screw, and when it's defeated, it temporarily sends the player character three years into the future.
- Evil Is Easy: The game has a karma meter based on various actions the player can perform, with its value affecting whether you can complete the questlines to obtain either Mew (high karma) or Darkrai (low karma). However, there are a lot more repeatable methods to lower karma than raise it, and the "evil" actions give more negative karma than the "good" ones give positive karma. Furthermore, the game's main gimmick of having hundreds of thousands of fusions encourages doing evil actions like stealing Pokémon eggs or buying fusions from Team Rocket to get rare species as fusion material and expedite obtaining some fusions.
- Flying Saucer: Cleffa/Tentacool & Cleffa/Tentacruel results in Cleffa piloting flying saucers that resemble the latter Pokémon.
- Fusion Dance: The premise of the game is taking two Pokémon, with the aid of a DNA Splicer item, and combining them into one. Team Rocket plans on going even further with this trend by combining three Pokémon at once, eventually leading to the capture and fusion of the Legendary Birds.
Tropes G-Z
- Gag Penis: Miltank/Diglett appears at first glance to be a Miltank with a Diglett face, but it also has another Diglett burrowing out of where its udders would be.
- Gotta Catch 'Em All: Subverted. Professor Oak realizes that it wouldn't be possible to actually capture every single Pokémon species as there are more than 200,000 of them thanks to Fusion, but he still hopes that you try.
- Glitch Entity: Fusions with Porygon-Z often feature visual distortions or error messages overlaid on the sprite. Fusing it with the Azumarill line, for example, causes it to resemble a Blue Screen of Death.
- Good Smoking, Evil Smoking: Magcargo/Jynx demonstrates the latter, clutching a cigarette holder in one hand.
- Grievous Harm with a Body: Caterpie/Marowak trades its bone club with another Caterpie, holding it by the tail in its sprite.
- Guide Dang It!:
- The karma mechanic is an interesting concept, as it rewards you with positive karma whenever you do good deeds or negative karma if you decide to do bad actions. However, you're not told that various seemingly inconsequential actions, such as destroying sandcastles, how you respond to the Team Rocket recruiter, or whenever you rescue the Silph Co's employees or not, will affect your karma.
- Accessing the guaranteed Mew encounter and Darkrai/Cresselia sidequest is dependent on your karma, with Mew requiring around 22 positive karma and the Darkrai/Cresselia sidequest enough negative karma (which allows you to see a lunar feather at Lavender Town's orphanage). Your only hint to know when you have the proper level of karma is to visit a house at Ecruteak City with two NPCs, one of which will tell you a vague message.
- Catching Mimikyu. At Route 15, there's a creepy house, which you require to have Rock Smash, Strength, and Surf to reach it. Inside the house, there's a basement, which has some rooms (one of which has a piano). You need to play the piano until you hear the sound of a Pokémon fleeingnote, after which you're supposed to search each room until you find an old doll and interact with it. Repeat until you've seen and interacted with the doll in all four rooms. Then, you're supposed to play the piano again, so that Mimikyu can spawn.
- It's possible to get a triple fusion Pokémon, by talking to Colress at Mt. Moon near the triple fusion machine prototype after capturing Kyurem. You know it's possible to fuse the three legendary birds together, and other legendary trios can be fused together. However, the game doesn't hint that Mewtwo, Deoxys and Genesect, and Mew, Celebi and Jirachi have a triple fusion, and you aren't told that the respective region's starters have their own triple fusions.
- Route 1 has a hidden area called the Secret Garden that allows you to obtain several rare Pokémon early (with exact distribution depending on game mode), including a Rockruff from an egg, but accessing it requires doing the otherwise completely optional Blue fight on Route 22; if you defeat Brock without completing that battle, the save file is permanently locked out of the Secret Garden.
- During the "Mysterious Lunar Feathers" sidequest, the second feather's clue mentions that it can be found in "a Pokémon playground". It may take some time to figure out that this refers to the Daycare due to the addition of a playground for humans on Route 7.
- The karma mechanic is an interesting concept, as it rewards you with positive karma whenever you do good deeds or negative karma if you decide to do bad actions. However, you're not told that various seemingly inconsequential actions, such as destroying sandcastles, how you respond to the Team Rocket recruiter, or whenever you rescue the Silph Co's employees or not, will affect your karma.
- Hanging Around: Mew/Mimikyu features its tail as a noose, which is naturally tied around its neck for morbidity's sake.
- Haunted Technology:
- Porygon-Z/Cofagrigus results in a fusion depicting a ghostly entity appearing out of a PC screen, akin to haunted video game creepypastas.
- Most of the fusions for Rotom turn it into an appliance or machine associated with the other Pokémon in some fashion, like Rotom/Wailord being a large submarine or Rotom/Machoke & Rotom/Weedle being arcade cabinets.
- Humanity Ensues: Sylveon/Sylveon results in a human Idol Singer wearing a headband and dress, both themed after Sylveon's fur and ribbons.
- Hybridization Plot: Bill tries to turn himself into a human/Rhydon hybrid to see if it's possible to do so, seeing as the gimmick of the game is that you can use various Pokémon hybrids in battle. It works, but his claws prove to be too big to activate the machine again and separate him, requiring the player to fix it for him.
- Idol Singer: Sylveon/Sylveon produces a Sylveon-themed idol singer, whose outfit consists of Sylveon-style ribbons on the head and waist, a Poké Ball-shaped microphone, pink shoes, white stockings, and a dress with stripes based on Sylveon's palette.
- Impaled with Extreme Prejudice: Mimikyu/Gardevoir has a large knife stabbed through its back & extruding from its chest, emulating a Gardevoir's chest horn.
- In-Universe Game Clock: In contrast to the canon games with their game clocks tied to the system clock, time in Infinite Fusion advances by a minute with each real-time second unpaused, with the ability to advance time forward whenever you sleep at home or in a hotel/rest area.
- The Internet Is for Porn: In reference to the infamous sexual advertisements that more often lead to your computer getting infected with a virus, PorygonZ/Lopunny results in a glitchy "Hot buns in your area" pop-up ad overlayed below a Lopunny sprite. PorygonZ/Gardevoir also leads to a similarly glitchy "Hot Gards in your area" ad.
- Laser Blade: Fusing a Chinchou head with the Honedge line results in their blades being made out of brightly glowing Hard Light.
- Level Limiter: RageCandyBars can be used on a Pokémon to lower their level by 1. The options menu also lets you cap your Pokémon's levels to that of the next gym leader's highest leveled Pokémon.
- Living Weapon: Fusions that use the Honedge line (a group of animate swords) as the "Body" are comprised of a wide variety of handheld weapons that adopt (often organic) qualities of the "Head" 'mon it's fused with. For some examples, Caterpie/Honedge & Weedle/Honedge become flails, Ratata/Doublade becomes a pair of scissors, Haxorus/Aegislash becomes a battleaxe, Rotom/Aegislash becomes a chainsaw, Beedrill/Aegislash has a Beedrill stinger for a blade & a honeycomb cell for a shield, etc.
- Loads and Loads of Loading: Versions of Infinite Fusion after version 5 suffer from load screens of up to 30 seconds on lower-performance computers whenever the overworld is loaded (such as after battles or when exiting buildings) due to constantly retrieving all the fusion sprites from a server. Using the included preload launcher mitigates the in-game slowdowns by caching all the fusion sprites when the game is launched, at the cost of taking upwards of a minute to boot up.
- Loophole Abuse: A fusion's two abilities are chosen between the head's first choice of ability and the body's second. In theory, this makes it hard to really abuse an ability like Azumarill's Huge Power, which is tied to Azumarill's body and its garbage Attack stat. In practice, however, DNA Reversers can switch the fusion's head and body while leaving the ability untouched, letting you grab any of the constituent mons' abilities regardless of head/body sequence for a mere 300 extra dollars.
- Millennium Bug: Porygon-Z/Absol results in an entity holding warnings about Y2K, referencing Porygon-Z being a Glitch Entity and Absol being The Cassandra.
- Monster Clown: Many of Mr. Mime's fusions, such as Mr. Mime/Pinsir note and Ditto/Mr. Mime note are designed to evoke this effect.
- Monster Knight: The standard result of a fusion using any member of the Honedge line for the "Head", with the body gaining some form of sword (or occasionally a different weapon) for Honedge, engaging in Dual Wielding for Doublade, then trading the second weapon for a shield and armor(-like anatomy) for Aegislash.
- Morton's Fork: The Team Rocket Grunt at the end of Nugget Bridge asks if you want to join Team Rocket, providing the player with a Yes/No option. Selecting "No" causes him to get mad at you for refusing and battle you. Selecting "Yes" has him recognize you as the one who messed up their plans in Mt. Moon, which causes him to take the offer back and battle you anyway.
- Mythology Gag: Has its own page.
- Non Sequitur: Fusion Pokédex entries are comprised of the first half of the body's entry and the second half of the head's, which can result in very odd descriptions if the second half references something completely different from the first.
- A fusion with Gengar as the head will usually have an entry that starts off describing the fusion's behaviour or abilities before randomly following with "It is actually a [fusion] running past you, pretending to be your shadow."
- Mankey-headed fusions all have entries that end with "However, since this happens instantly, there is no time to flee." This includes scenarios where the first half describes behavior that isn't plausibly dangerous to be around or is actually talking about their appearance, in which case not being able to flee from something that happens instantly makes even less sense.
- Fusions with Stunfisk as a body all have entries that end with "Then it waits", which also leads to some glorious results.
- Obvious Rule Patch:
- Rematching trainers does not give out prize money to prevent money grinding. However, one particular Cool Trainer in Rock Tunnel averts this, giving you both money and a potion every rematch.
- The Mankey Paw guarantees critical hits, but halves the hit rate. This sounds ripe for abuse by the No Guard ability and moves like Swift which bypass the accuracy check entirely, but the Mankey Paw overrides this property and gives these moves the ability to miss.
- In the official games, No Guard makes the normally Powerful, but Inaccurate One-Hit KO moves (Fissure, Sheer Cold, Guillotine, Horn Drill etc.) always hit, but the only way to get one of these on a No Guard user is hacking. In this game, it's possible to get both through fusion, so One-Hit KO moves are unaffected by the No Guard boost to prevent abuse.
- Since fusions only need one non-fully evolved component to receive Eviolite's defensive boost, it's possible to fuse a bulky evolved Pokémon with an unevolved one and get an an absolute Stone Wall of a mon with huge defensive stats that's still compatible with Eviolite. To keep this from getting too out of hand, Eviolite has been nerfed to only boost defensive stats by 25% instead of 50%.
- Fusions with Shedinja only have 1 HP if the ability chosen for it is Wonder Guard. This means you can't have a fusion with both Wonder Guard and more than 1 HP, and it also makes it impossible to create a legitimate Sturdinja fusion.
- O.O.C. Is Serious Business: Cynthia is one of the finest trainers in the series. When she begs the player not to take on Paldiatina, the triple fusion of Sinnoh's legendaries at the top of Mt. Silver, saying it's something that not even she is prepared to handle, it's foreboding.
- Our Sphinxes Are Different: Cofagrigus/Porygon, fusing a possessed Sarcophagus and an artificial being resembling a bird respectively, creates a Sphinx statue wearing an ancient Egyptian Nemes headdress.
- Outliving One's Offspring: Cubone/Kangaskhan has the fusion in question weeping over her baby's skeletal remains.
- Oxymoronic Being: Because of the nature of fusing any two Pokémon, regardless of typing or biology disparity, you'll inevitably get stuff like Grass/Fire, Normal/Ghost, etc.
- Palette Swap: Shiny pokemon are in this game (the odds are 1 out of 4096 which are the same odds as the normal games) and the fusions have different colors depending on which components are shiny.
- Permanently Missable Content: The Secret Garden area is only unlocked if you do the optional rival fight on Route 22 at the start of the game. Since the fight is only available until you beat Brock, this area becomes permanently unavailable if you haven't already unlocked it by then.
- Pimped-Out Dress:
- Gardevoir fusions usually get fancy dresses themed to the other Pokémon it's fused with, such as Roserade (a green evening gown covered with flowers) or Drifblim (a layered purple dress adorned with ribbons).
- Sylveon/Sylveon creates an Idol Singer wearing a frilly dress patterned after Sylveon's color scheme.
- Portmanteau: Any resulting Pokémon fusion is named after halves of the respective Pokémon; the head portion getting the first half, while the body gets the latter half.
- Redemption Demotion: When you are able to use triple fusions such as Zapmolcuno and Paldiatina, they do not have the triple head mechanic that allows them to attack 3 times in one turn. Also, since their stats typically average out, they are really not any more powerful than your average Legendary Pokémon despite Colress's warnings. In fact, they are occasionally worse than their constituents (especially notable with Kyodonquaza, which doesn't get the signature Drought and Drizzle that makes Groudon and Kyogre so strong). They do have all of the typings of their base components, allowing them to get STAB on more moves, but that can be a drawback too - Zapmolticuno has a crippling 8x weakness to Rock, and Regiregi has a backbreaking 5 weaknesses, including an 8x weakness to Fighting.
- Related in the Adaptation: The diary logs in Pokémon Mansion mention a gelatinous Pokémon being created out of failed attempts to clone Mew, heavily implying that Ditto is a failed clone of Mew. In the official games, despite their similarities, there is nothing to suggest that Mew and Ditto have any connection.
- Repetitive Name: The Ninetales and Arcanine fusion (in that order) results in the Portmanteau name being "Ninenine."
- Shout-Out: See here.
- Shrouded in Myth: Fusions that use Dusclops as the head all have Pokédex entries that end with "However, no one has been able to confirm this theory as fact", implying that anything known about them in-universe is merely hearsay.
- SNK Boss: The triple fusions fought in the storyline, such as Zapmolcuno and Paldiatina, are basically three Pokémon at once, as if you were fighting a triple battle, but the player is only allowed to send out one Pokémon. This leads to a bottleneck effect where the boss is free to unleash three attacks per turn on your mons, making it unlikely any of them will survive more than one round, so best make your attacks count. Naturally, they are nowhere near as broken once you finally get to use them yourself.
- Spoiling Shout-Out:
- Drifblim/Infernape is one to One Piece. Namely Luffy's Gear 5 form and, by extension, the true nature of the Gum Gum Fruit.
- Mawile/Machoke spoils one of the endings of OFF, specifically The Batter's monstrous "ducky" form.
- Rotom/Porygon-Z spoils Dogma, the Pre-Final Boss from The Binding of Isaac's final ending.
- Articuno/Articuno has an alternate sprite that spoils Martlet's Zenith of Monsterkind form from Undertale Yellow's No Mercy route.
- Stylistic Suck:
- In contrast to most Minecraft-themed custom sprites, fusing a Miltank or Mareep with Porygon will result in the respective Cow or Sheep mob appearing as a render ripped straight out of the game, albeit with its textures altered to resemble the respective mon.
- Making a Porygon-Z/Honedge fusion results in the picture of a sword crudely drawn in Photoshop, including a surrounding square of the classic checker-patterned background that requires extra steps to make transparent.
- Take a Third Option: Instead of choosing between one of the starter Pokémon after the player picks theirs, Blue will instead take both and fuse them together.
- Timed Mission: One mission in Vermillion City requires you to get Krabby legs from the St. Anne, but upon pick-up, they must be given to the character who requested them within 30 seconds.
- Turtle Island: Many of the land tortoise Torterra's fusions feature various landscapes & even buildings on its shell that reflect the 'mon's typing, natural habitat, physical features, powers, etc. For example, Mr. Mime/Torterra has a circus, Duskull/Torterra has a graveyard & Trapinch/Torterra has a desert. Special mention goes to the triple fusion Torterneon, who has landmass resembling a map of Sinnoh on its back.
- Unusual Ears: Machamp/Lopunny results in a muscular, grey-skinned Lopunny whose long ears act as a second pair of arms.
- Useless Useful Spell: Because fusions are all considered genderless, Attract and the Cute Charm ability are worthless in most battles.
- Vagina Dentata: A number of fusions with Pinsir as the head invoke the trope, such as Pinsir/Charizard and Pinsir/Giratina.
- Video Game Cruelty Potential: One quest in Celadon City has a character request a Pokémon egg, with the intention of making it into an omelette. You can choose to do so and get Softboiled as a tutor move as an award. Making matters worse, a live Togepi or Exeggcute will also be accepted.
- Visual Pun:
- Fusing the Porygon line with the Rattata line makes them into... computer mice.
- Glaceon/Porygon-Z is overlaid with a "not responding" window; it's frozen.
- The Vitruvian Pose: Smeargle/Machamp, being a fusion of an art-themed Pokémon and a Pokémon with four arms, is a reference to the sketch, although it lacks the extra legs.
- Wake-Up Call Boss: The fight with Giovanni in the Celadon Sewers makes for a surprisingly tough battle. His team consists of two fusions at level 32 and a third at level 35 when most of the surrounding trainers have levels in the mid-to-upper 20s and the player's team is unlikely to have finished evolving yet. The big problem is his level 35 Haunter/Kangaskhan, which not only has a high likelihood of outleveling anything the player brought to the fight by a considerable margin, but is surprisingly fast, can effectively use both of its attacking stats, and has three immunities thanks to its Ghost/Normal typing. People who go into this battle unprepared often end up watching as Haunter/Kangaskhan shreds through their team without being able to land any hits on it. Even managing to defeat him doesn't provide any reprieve; the fight marks a sudden jump in the game's difficulty as the battles right after Giovanni (Celedon Gym and Pokémon Tower) are in the same level range as him.