Cybersled

Use enemy sleds:
Press Up, Left, Down, Right, Up, Triangle, Up, Right, Down, Left, Up, Circle at the title screen. The sound of an explosion will confirm correct code entry. Start the game and press Left at the character select screen to choose any enemy sled except for Landmaster (the last boss).

CyberSled (Game Shark)
Codes Made & Tested on 1.86 Version Game Shark