Explanation of what a code type is, and what they're used for here..
Playstation Systems
Playstation 2
Playstation
Codebreaker
GameShark
Action Replay
Gold Finger
Xploder
Caetla
Nintendo Systems
GameCube
Action Replay
Nintendo 64
GameShark
GameBoy Advance
Codebreaker Advance
GameShark Advance
Action Replay