Duke Nukem Forever: Additional Codes

INVINCIBILITY – Do no damage from bullets and explosions.

Duke Nukem Forever: Additional Codes Free Download

INFINITE AMMO – Never run out of ammo.
ONE SHOT KILLS – Enemies die from one shot.
MIRROR MODE – Play mirrors horizontally.
GRAYSCALE MODE – Playing in grayscale.
GAME SPEED – Change game speed
HEAD SCALE – Resize enemies’ heads