Here are some cheats and tips for the game The Death And Return Of Superman.
Cheat mode:
Play the 0B, 29, 2C, and 05 selections on the sound test screen.
Full energy, life, and special attack:
Enable cheat mode and press A + B + X + Y during game play.
Level skip:
Enable cheat mode, then hold A + B + X + Y and press Select during
game play.