A mediocre platformer based on the film of the same name, itself the second installment of the 3 Ninjas series (and the only one to have a video game adaptation).
Level Select#
Pause during gameplay and press Down, Up, Left, L, B, A, B, Y. The game will unpause to confirm correct entry. Pause again, hold A, and press Left/Right to move back or forward a level, respectively. Hold Y, and press Left/Right to move back or forward a zone, respectively.
Free-Movement Mode#
Setting RAM address 7E1EFA to a nonzero value (e.g. Pro Action Replay code 7E1EFAFF) enables a free-movement mode during gameplay. Hold Select and use the D-Pad to move around. Release Select to return to normal. Note that you still take damage while in this mode.