Cheats:
Input one of the following names at the main menu. Next, press [Ctrl] + [Right Shift] + 8 to show the cheat menu with its options. Each player name will choose which options appear on the menu.

LIVE FREE - Invincible
TOURIST - City, Tourist, Demo cam, No time
FOX ROX - Select level
MR HAPPY - Select plane
GO POSTAL - Damage bonus, Weapons, Fast reload
KIWI - Select level, plane; Invincible, Weapons, Fast reload
GODZILLA - Kill civil, Kill wing
KYRA NR - All options
BRENDAN QR - All options
DOOFUS - All options
GREG FM - All options
SCOTTYWAR - All options
ROSA DUONG -ll options
COCO - All options
RADARMY - All options
DAB DAB - All options
TRI S - All options

Cheats:
To access Cheat Menu
1.In the game's main menu pick "options."
2.Pick "players name."
3.Type RADARMY and pick end.
4.Pick exit from the options menu.
5.Press{CTRL}-[Right Shift]-8 and you'll go to the Cheats menu.