Dezaemon 3D

Secret Game: Ramsie

Access the Game Mode from the main select screen and move the cursor on top of the picture of a cartridge (next to the User Data file).

Now enter the following button code: C-Up, C-Down, C-Left, C-Right, C-Down, C-Down, C-Up, C-Up.

This will open up a third pre-made game, a Ray Earth clone called Ramsie.