Collect at least 78 perfect zone gems.
|All Weapons (alternate)|
Collect at least 35 perfect zone gems.
Collect at least 50 perfect zone gems to unlock the Cairo level.
While playing a game, press [Esc], then select "Replay Level", and choose the "Bonus Game Mode" option. Enter one of the following passwords to activate the corresponding cheat function:
| Result || Cheat Code |
|Infinite Ammunition (alternate)|
Collect at least 45 perfect zone gems.
|Infinite Lives (alternate)|
Collect at least 60 perfect zone gems.
Collect at least 65 perfect zone gems.