PC
Unlockable to activate in the Extra menu
Duke 3D Freeze Ray
Complete the game
"Gray" mode
Complete the game
Testoni
Complete the game
Unlimited ammo
Complete the game
Instagib
Complete the game
Invincibility
Complete the game
"Mirror" mode
Complete the game
PlayStation 3
Unlockable to activate in the Extra menu
Duke 3D Freeze Ray
Complete the game
"Gray" mode
Complete the game
Testoni
Complete the game
Unlimited ammo
Complete the game
Instagib
Complete the game
Invincibility
Complete the game
"Mirror" mode
Complete the game
Xbox 360
Unlockable to activate in the Extra menu
Duke 3D Freeze Ray
Complete the game
"Gray" mode
Complete the game
Testoni
Complete the game
Unlimited ammo
Complete the game
Instagib
Complete the game
Invincibility
Complete the game
"Mirror" mode
Complete the game
Duke Nukem Forever pc
- pc
- x360
- ps3
Exit date: June 10 2011
