/vr/ - Retro Games

Dolphin has an option for dumping textures for the purpose of editing them and packaging them back into a texture pack for the game that will automatically be loaded instead of the ROM's textures. That's how people do shit like picrel (though I think VJ's texture pack was done with AI upscaling and smoothing the original textures rather than replacing them by hand). imagine Mesen is the same but with sprite sheets?

You're gonna be biting off more than you can chew if you really want to mod the games themselves, but anyone can make a dolphin texture pack if they just have the patience to edit hundreds of texture files.