um...just go to The Model Resource > N64 > P and get them there?
not that hard dude
https://www.models-resource.com/nintendo_64/pokemonstadium2/
https://www.models-resource.com/nintendo_64/pokemonsnap/
https://www.models-resource.com/nintendo_64/pokemonstadiumjpn/

search on google

three hints:
Github
4chan archives
"it's a community collaboration"

that all i can give and be vague about, i don't believe the situation or reddit insider leaks, but rules are rules.

also, you'll more better off with the Isaac PSAs than PM Isaac.