Triple X

CHEATS:
During play enter any of the following sequences (press the keys, do not hold them):

Infinite Lives: Press F1, UP CURSOR, DOWN CURSOR, DEL, and type "ILMVS"
Infinite Bombs: Press F2, TAB, SPACE, F6, and type "RMADL"
Level Skip: Press F3, W, O, M, CTRL, X, 4, Y, LEFT ALT - then press ESC to skip levels.

(Source: Ami Cheats)