* Invincibility: At the main menu, enter Left,Right,Right,Left,Right,Left, Left.
* Stage Skip: At the main menu, enter Left, Left, Right, Right, Left, Left, Right. At the normal stage select screen, press 2 to move to the next set of levels.
* Ending Sequences: At the main menu, enter Left x4, Right, Right to see the sequence corresponding to the Easy / Medium difficulty level. Enter Left, Left, Right x3 to see the sequence corresponding to the bad ending in Hard level (not all statues collected). Finally, enter Left x6, Right to see the sequence corresponding to the good ending in Hard level (all statues collected).
* Fergus Head mode: First enable Invincibility and Stage Skip as above (to enter multiple cheats, you can select the difficulty selection or sound test instead of starting a game). Then, at the main menu enter Left, Right, Left x3. The main sprite will become the "Fergus Head".