Vietcong: Purple Haze Cheats

Highlight Credits on the main menu and press L2, R2, Square, Circle.

During a mission press L2, R1, X, Down

Look at the enemy through binoculars. Center the enemy in your binocular sights, then switch back to your rifle. The rifle will now be trained on the enemy. Fire a three round burst and you will usually take him out.