| 'T' | invincibility on current level |
| 'S' | Speed the game up |
| 'A' | all the extras |
| 'E' | Removes extras from ship (IE invincibility) |
| 'R' | Restart current level |
| 'Esc' | skip levels |
| '1'-'6' | Select weapon and press 'Space' or 'Return' to activate it |
| '=' | Advance to further parts of the current level |
| '-' | Go back to earlier parts of the current level |
| Return to the Ziriax index entry |