This is the first build, very early progress. Only Mario gets replaced, with Jack, and only the high-res model. The low-res model still hasn't been changed so if you're looking to play 4-player multiplayer, keep this in mind.
Installation Guide Step-By-Step:
1. Download Zip file below or above
2. Extract Zip file, using any extraction tool available
3. Get an N64 emulator (Retroarch, Project64, Mupen64Plus, or Parallel)
4. Open extracted ROM in the emulator, and start the battle