sysdolphin is middleware created by HAL Laboratory that was used on the GameCube and Wii. It has 3 functions: Sound Tool, Game Engine, and 3D CG Production Tool. sysdolphin has been used in the following games:

  • Super Smash Bros. Melee
  • Kirby Air Ride
  • Mario Kart Arcade GP
  • Mario Kart Arcade GP 2
  • Kirby's Return to Dream Land
  • TV no Tomo G Guide for Wii

The format used for storing the game data is complex and intricate, but has been reversed. File Structure format