Rayman 2: The Great Escape Cheat Codes for Dreamcast

Hidden passage
Press A, B, X, Y, X, Y in Morb_20 (second section of the spider level). A secret passage that reveals cheat codes to get full powers will appear.

Kaleidoscope textures
Press Down, A, Down, B, A, Y, X(2).

Map bonus at the end of a level (Raycap)
Press A, B, X, Y, X, Y before the "Access denied" message appears.

Rayman VMS icon
Press Up, X, Y, Down, Y, X, Left, Right.

Full life
Tap R repeatedly in a constant rhythm. Note: Vary the speed until it works.

Full pause screen
Pause game play, then press X + Y.

Globox Disc Access multi-player mini-game
Press Start, then hold L + R and press B(4) at the title screen.

Gold hands
Hold L and repeatedly press B. Note: This can only be done in "The Canopy".