Last Gladiators: Digital Pinball
Hidden pinball table:
At the title screen, press X, Y, Z, X, Y, Z, C, B, A, Up, Up, Start. You'll be able to access a hidden pinball table that usually shows up at the end of the game.
Debug menu:
At the title screen, press Up, Up, Down, Down, Left, Right, Left, Right, X, B, Z, R, Start.
Watch the ending credits:
At the title screen, press C, B, A, A, B, C, Y, Z, X, Down, Down, Start.
Legend of Oasis, The
Two-Player Mode
During gameplay, press Z, press and hold X, then press L. Simultaneously release X and L to access the two-player option.
Loaded
Level Skip, Extra Lives, Boost Ammo. and Power.
Start a game and pause it. Highlight "BGM Volume," then press these buttons in the following order (press and hold each button): L, Z, B, X, C, R. If done correctly, a cheat menu will appear that lets you skip to the next level, get extra lives, and boost your ammo and power.