Select any level Enter Square, O, X, Triangle, Triangle, X, O, X as a password. or Enter Square, Triangle, O, Triangle, X, Triangle, Square, X as a password.
H.o mode Enter O, X, Square, Triangle, Triangle, O, Triangle, O
Firewalls Enter X, X, Square, X, X, X, Triangle, Triangle
No bonus points reset Enter Square, Triangle, X, Triangle, O, Square, Triangle, X
Hidden ship Enter X, X, X, Square, Triangle, O, X, Triangle
Unlimited lives Enter O, X, X, Triangle, Square, Triangle, Square, O
Weapons Enter Square, X, O, Square, X, Square, O, Square
Bonus stage select Enter Square, Square, Square, Triangle, O, Triangle, Square, Square
Deactivate all cheats Enter Square, Square, X, O, O, O, O, Triangle
Level Password Level 3 - O, X, O, O, Square, Triangle, X, Triangle - Level 4 - O, O, Triangle, O, Triangle, O, Square, Square - Level 5 - Square, Triangle, Square, Triangle, Square, Triangle, Triangle, O - Level 6 - Square, Square, O, Square, Triangle, X, Triangle, X - Level 7 - X, Triangle, O, Square, X, Triangle, O, Triangle - Level 8 - Square, O, O, Triangle, Triangle, Square, Triangle, Square - Level 9 - Square, O, X, Triangle, Square, Square, X, O - Level 10 - X, Triangle, Square, O, Triangle, X, X, X - Level 11 - O, Square, Triangle, Square, O, Triangle, Square, Triangle - Level 12 - O, X, X, X, Triangle, X, X, Square - Level 13 - Square, Triangle, Triangle, O, O, X, O, O - Level 14 - Square, Square, Triangle, O, O, Triangle, O, X - Level 15 - O, Triangle, X, Square, O, Triangle, Triangle, Triangle - Level 16 - O, Square, Triangle, X, O, O, O, Square - Level 17 - X, O, Triangle, X, Square, Square, Square, O - Level 18 - O, Triangle, O, O, Triangle, Square, Square, X - Level 19 - Square, X, O, Square, O, X, X, Triangle - Level 20 - O, Square, Triangle, Square, Square, Square, Square, Square - Level 21 - O, O, O, O, Triangle, X, Triangle, O - Level 22 - O, X, O, Triangle, X, O, Triangle, X - Level 23 - Square, Square, Triangle, O, Triangle, X, O, Triangle - Level 24 - O, O, Square, Triangle, Square, Triangle, Triangle, Square - Level 25 - O, X, Triangle, X, Square, Triangle, X, O - Level 26 - Square, O, O, O, X, O, X, X - Level 27 - Square, Square, Triangle, O, X, X, Square, Triangle -
Latest cheat codes for N2O: Nitrous Oxide at Cheatserver.com
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