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."

From the main menu, go to the "Extras" screen. Then go to "Cheats" and there's a field to enter Passwords. Enter "Prohias" and press "Enter." All all levels for Single-player Modern Mode will unlock with the option to turn them off and on.

From the main menu, go to the "Extras" screen. Then go to "Cheats" and there's a field to enter Passwords. Enter "DISGUISE" and press "Enter." All Spy Attachments will unlock with the option to turn them off and on.

From the main menu, go to the "Extras" screen. Then go to "Cheats" and there's a field to enter Passwords. Enter "ANTONIO" and press "Enter." All Story Mode Levels will unlock with the option to turn them off and on.

Complete each level in Single Player Modern Mode to unlock the Timed Levels. Each Timed Level you complete unlocks corresponding concept art for that level.

• Arisocrat: Complete the Mansion in Story Mode
• Clown: Complete the Kooky Carnival in Story Mode
• Flight Suit: Complete the Space Ship in Story Mode
• General: Complete the Volcano Lair in Story Mode
• Samurai: Complete the Space Ship in Story Mode
• Soldier: Complete Area 51 in Story Mode
• Spy-Bot: Complete the Robot Factory in Story Mode
• Worker: Complete the Oil Rig in Story Mode
• Zombie: Complete the Haunted House in Story Mode

From the main menu, go to the "Extras" screen. Then go to "Cheats" and there's a field to enter Passwords. Enter "MADMAG" and press "Enter." All Multiplayer Levels will unlock with the option to turn them off and on.