N20: Nitrous Oxide Cheats

Watery Ripple Effect:
At the password screen, press Circle, X, Square, Triangle, Triangle, Circle, Triangle, Circle.

Level: Password:
3    Circle X Circle Circle Square Triangle X Triangle
4    Circle Circle Triangle Circle Triangle Circle Square Square
5    Square Triangle Square Triangle Square Triangle Triangle Circle
6    Square Square Circle Square Triangle X Triangle X
7    X Triangle Circle Square X Triangle Circle Triangle
8    Square Circle Circle Triangle Triangle Square Triangle Square
9    Square Circle X Triangle Square Square X Circle
10  X Triangle Square Circle Triangle X X X
11  Circle Square Triangle Square Circle Triangle Square Triangle
12  Circle X X X Triangle X X Square
13  Square Triangle Triangle Circle Circle X Circle Circle
14  Square Square Triangle Circle Circle Triangle Circle X
15  Circle Triangle X Square Circle Triangle Triangle Triangle
16  Circle Square Triangle X Circle Circle Circle Square
17  X Circle Triangle X Square Square Square Circle
18  Circle Triangle Circle Circle Triangle Square Square X

Water Mode:
Enter Circle, X, Square, Triangle, Triangle, Circle, Triangle, Circle as a password.

Unlimited Lives:
Enter Circle, X, X, Triangle, Square, Triangle, Square, Circle as a password.

Level Select:
Enter Square, Circle, X, Triangle, Triangle, X, Circle, X as a password. Any level up to level 30 may be selected.

Bonus Level Select:
Enter Square, Square, Square, Triangle, Circle, Triangle, Square, Square as a password.

Enter Square, X, Circle, Square, X, Square, Circle, Square as a password.

Enter X, X, Square , X, X, X, Triangle, Triangle as a password.

Hidden Ship:
Enter X, X, X, Square, Triangle, Circle, X, Triangle as a password.

No Bonus:
Enter Square, Triangle, X, Triangle, Circle, Square, Triangle, X as a password.

Disable Cheats:
Enter Square, Square, X, Circle, Circle, Circle, Circle, Triangle as a password.

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