During gameplay, press L + R + A + Down. Or, during gameplay, press White + R + A + Down to become invincible in Vietcong Purple Haze.
At the Main Menu, highlight 'Options', then hold L + R + White + Black. Or, at the Main Menu, highlight 'Credits', and press White, Black, X, B
Vietcong: Purple Haze cheat codes submitted by Shizen Tai.
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