might as well throw my hat into the ring with a not-exhaustive-but-still-comprehensive list of just about every parody game of That Monster Catch/Battle Series Backed By That Litigious Japanese Game Company that i've either played or have heard of
a lot of these have already been mentioned in this very thread but i'm listing them anyway for completeness
RPG Maker
everything in this category is built with the Essentials toolkit, and as such is running on RPG Maker XP, expect fluctuating degrees of performance and qol depending on what version they started with
Ecchi Version (fprotag) - ix's choice - this feels the most like an actual pokemon game, just from an alternate universe where being able to run around naked and be fucked by pokemon was deemed a better direction for the franchise than going 3d. development is quite slow, but updates are usually substantial
"H" Version (mprotag) - played the very first public version and was very unimpressed; game has more than likely improved drastically since the time i played, but fixing the nonsensical difficulty curve was seen as "capitulating to the casuals" who just need to "git gud"
Cultivation (mprotag) - haven't gotten the chance to play this yet so it's an unknown quantity to me, reviews look good though
Pokeich (mprotag) - some strange structure but decent for what it is. a total revamp in another engine is planned, dev's last patreon post was made in november 2023 after a 1 year hiatus
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(either protag) - this is a weird one. it derails itself so you can act impressed when it rerails itself later on in its story. it's not outright porn and most of the sexual elements are there for black comedy more than anything. you unlock a nude "outfit" after collecting enough golden dildos (actually what the game calls them), brock has gone Full Gimp Mode and the female gen 1 leaders are nude and juvenile humor is difficult to avoid. if you're not expecting porn going into it it's interesting but it has absolutely no idea what it wants to be when it grows up
Renpy
everything in this category is a visual novel made in the renpy engine, and as such, most of them play out exactly the same and ultimately which one to play boils down to choice of kinks or selection of characters. an extra distinction is being made in this category for 3d scenes vs 2d scenes
PokeSluts (mprotag) - 3dcg - very light on gameplay beyond navigating renpy menus until you stumble into scenes. not BAD exactly but very little of substance on offer so far
Pokegirl Paradise (fprotag, optional futa) - 3dcg - almost exclusively focused on lesbian loli with a bit of futa with pokemon on female coming... eventually. character models can be hit or miss, with the biggest critique being the veins on lusa/wicke's honkers looking incredibly unsettling
Leaf on Fire (fprotag) - 3dcg - based around the first quarter of kanto, development ceased because it got Nintendo'd(TM)
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(mprotag) - 2dcg - made with entirely upcycled google image results, the writing is exceptional and carries this one hard. not really porn in the traditional sense but worth playing for the writing
Unova Nights (mprotag) - 2dcg - made by the same guy as a new dawn, but with unique art this time. currently only features roxie (which is fine because roxie is the only good pokemon character) but with future plans to be an anthology, with shauntal being in the tank
ROM Hacks
everything in this category is built from an actual pokemon game, and as such, you'll need to dump or have your own rom mysteriously fall off the back of a truck to play these
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(fprotag) - almost entirely bondage and slavery focused which isn't my scene; played the first one until the game forced me to catch a human and then i gave up. apparently the postgame can get to Emergence levels of fucked up so take that as a warning.
Psychic Adventures (unsure of the original upload location, a quick internet search gives a bunch of reuploads) (mprotag) - almost identical to firered, with the twist being your starter pokemon is capable of hypnotizing the now conveniently almost all-female kanto region into doing your bidding. it's been a hot minute but iirc most of the action is pixel tits and being described what happens. the gimmick is okay but at the end of the day the gameplay is
just firered occasionally broken up with boobies
"Other"
complete wildcards, the other category is reserved for games made in engines outside of the aforementioned three
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(mprotag, briefly play as other characters) - as nostalgic as i am for this it has not aged well. janky and requires you to save often as whiting out dumps you back to the title screen
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(mprotag) - built off of humbird0's and has all of the same problems, but with a LOT more jank. honestly more noteworthy for being wiped off the LoK forums than how it plays
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(featureless protag,
furry) - a reimagining of the board game
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, you play as a featureless white glove as you solve puzzles, get frisky with pokemon, and unravel a larger narrative where something probably happens. your gender and the bits of the pokemon are customizable, allowing you to make this as straight or as gay as you want
anything i haven't mentioned by name is either too low quality to give the time of day or i'm not aware of
nov 30th 2023 edit: clarified genres/engines, cleaned up some descriptions, added leaf on fire, split vnanon's vns into separate links
jan 1st 2024 edit: added pokeich, minor description changes, games are now tagged with m(ale)protag, f(emale)protag, or either protag (for if you get to choose, which currently only applies to the one game that isn't specifically porn)
april 1st 2024 edit: divided up the categories to make them easier to parse, added monster mind, description tweaks