To enter cheat mode
Enter one of the following player names at the main menu. Then, press [Ctrl] + [Right Shift] + 8 to display the cheat menu with the corresponding options. Each player name will select which options appear on the menu.

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