N2O: Nitrous Oxide cheats and cheat codes for Playstation

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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 -