Jazz Jackrabbit Cheats (GameBoy Advance)

Pause the game and then press right, left, right, left, L, R, 2(up), 2(R), 2(L).

Pause the game and then press up, right, down, left, 2(L), right, left, 2(R), 2(L).

Pause the game and then press up, down, up, down, left, right, L, R, L, 2(R), L.