this is actually playable btw! you just need to compile it~
https://github.com/Archenoth/pokeblue-oshawott
all the stats, movelists, pokedex data, and everything else has been brought into the game, and they replace the squirtle line
the unfortunate part about that is that most of the moves these very good pokemon learn are not actually in gen 1, so it's a little hard to use them
i did give them mega punch and mega kick though!
since most of the work went into the spritework, here is what oshawott looks like: