MURI Cheat Codes
While playing the game, enter one of the following codes to activate the corresponding cheat function. If you entered the code correctly, a message will appear in the space that normally displays “PRESS F1 FOR HELP”. Note: Enabling some codes will mark you as a cheater and scores will not be recorded at the high score screen.
| Result | Cheat Code |
| Level skip | rgwish |
| Toggle invincibility | rgiosa |
| +20 to ammo for all weapons | rgfill |
| Remaining cells set to four | rgcell |
| Remaining lives set to seven | rgcats |
| Toggle moon jump; hold to rise when falling | rgmoon |
| Add “duck” item to each level; when collected it sits on Adwoa’s head | rgduck |
| Cycle through graphic tile sets | rgtilt |
| End game | rgnull |
| Unknown | rgxces |