Metroid Fusion debug menu 

Discovered by me and interdpth
Finally, here's the Fusion debug menu. It's really quite glamorous, able to set Samus' energy, artillery, equipment, and some powerful features like changing the event and saving anywhere. This video shows a couple of the quirks and is generally just a play-around.
The Action Replay code for the US and European versions is:
CD6169F3 D8989D47
BE00B773 395EF076
For the Japanese version:
B184C6E6 3192C61C
BE00B773 395EF076