Press the 'Caps Lock' key and type in one of the following cheat codes. Don't forget to include the spaces! Press 'Caps Lock' again to turn it off and activate the cheat mode:
| A SMALL STEP FOR A MAN | Initiates moon gravity, anything that jumps, leaps off the top of the screen. |
| CHEDDAR | Gives unlimited credits. |
| GENESIS OF DALEKS | Photo-negative screen mode. |
| KYLIE | To flip screen up-side down. |
| MAY THE FORCE BE WITH YOU | Gives infinite stamina. |
| MONTY PYTHON | The enemies come on facing backwards. |
| OPEN THE POD BAY DOORS HAL | Gives infinite shurikens. |
| SKIPPY | Causes the enemies to bounce around the screen. |
| SNOW WHITE | Ninjas become dwarves. |
| STEVE AUSTIN | begin playing and press 'S', which toggles slow motion mode. |
| THE TERMINATOR | Causes the Ninja's body parts to explode when he dies |
| WARP FACTOR ONE MR SULU | Level skip (keys 1 - 16 to
the corresponding level) |
