All Modern Mode levels in single player mode
Enter PROHIAS as a code.
Enter MADMAG as a code.
Enter DISGUISE as a code.
Enter ANTONIO as a code.
Successfully complete the Mansion level in story mode.
Successfully complete the Kooky Carnival level in story mode.
For each Timed Level that is completed, you will unlock the concept art for that level.
Successfully complete the Space Ship level in story mode.
Successfully complete the Volcano Lair level in story mode.
To make your HUD invisible, insert the following password at the in-game password screen: BLINK.
From the main menu, go to the "Extras" screen. Then go to "Cheats" and there's a field to enter Passwords. Enter "ARMOR" and press "Enter."
From the main menu, go to the "Extras" screen. Then go to "Cheats" and there's a field to enter Passwords. Enter "FAIRY" and press "Enter."
Successfully complete the Space Ship level in story mode.
Successfully complete Area 51 level in story mode.
Successfully complete the Robot Factory level in story mode.
Successfully complete all levels in Single Player Modern mode to unlock the Timed levels.
Successfully complete the Oil Rig level in story mode.
Successfully complete the Haunted House level in story mode.
More Cheats, Tips, Secrets & Walkthroughs
