N20 Nitrous Oxide

Cheat Codes (enter these codes on the ENTER CODE screen):
Firewall Cheat - X(x2), Square, X(x3), Triangle(x2).
Weapons Cheat - Square, X, Circle, Square, X, Square, Circle, Square.
Infinite Lives - Circle, X(x2), Triangle, Square, Triangle, Square, Circle.
Access Any Level - Square, Triangle, Circle, Triangle, X, Triangle, Square, X.
Bonus Ship - X(x3), Square, Triangle, Circle, X, Triangle,
Bonus Level Access - Square(x3), Triangle, Circle, Triangle, Square(x2).
Water Effect - Circle, X, Square, Triangle(x2), Circle, Triangle, Circle.
No Bonus Reset After Death - Square, Triangle, X, Triangle, Circle, Square, Triangle, X,
Disable Cheats - Square(x2), X, Circle(x4), Triangle.

Passwords:
02 - Circle, X(x3), Square, Circle, Square, X,
03 - Circle, X, Circle(x2), Square, Triangle, X, Triangle,
04 - Circle(x2), Triangle, Circle, Triangle, Circle, Square(x2),
05 - Square, Triangle, Square, Triangle, Square, Triangle(x2), Circle,
06 - Square(x2), Circle, Square, Triangle, X, Triangle, X,
07 - X, Triangle, Circle, Square, X, Triangle, Circle, Triangle,
08 - Square, Circle(x2), Triangle(x2), Square, Triangle, Square,
09 - Square, Circle, X, Triangle, Square(x2), X, Circle,
10 - X, Triangle, Square, Circle, Triangle, X(x3),
11 - Circle, Square, Triangle, Square, Circle, Triangle, Square, Triangle,
12 - Circle, X(x3), Triangle, X(x2), Square,
13 - Square, Triangle(x2), Circle(x2), X, Circle(x2),
14 - Square(x2), Triangle, Circle(x2), Triangle, Circle, X,
15 - Circle, Triangle, X, Square, Circle, Triangle(x3),
16 - Circle, Square, Triangle, X, Circle(x3), Square,
17 - X, Circle, Triangle, X, Square(x3), Circle,
18 - Circle, Triangle, Circle(x2), Triangle, Square(x2), X,
19 - Square, X, Circle, Square, Circle, X(x2), Triangle,
20 - Circle, Square, Triangle, Square(x5),
21 - Circle(x4), Triangle, X, Triangle, Circle,
22 - Circle, X, Circle, Triangle, X, Circle, Triangle, X,
23 - Square(x2), Triangle, Circle, Triangle, X, Circle, Triangle,
24 - Circle(x2), Square, Triangle, Square, Triangle(x2), Square,
25 - Circle, X, Triangle, X, Square, Triangle, X, Circle,
26 - Square, Circle(x3), X, Circle, X(x2),
27 - Square(x2), Triangle, Circle, X(x2), Square, Triangle
28 - X(x2), Circle, Triangle, Square, Circle, X, Square
29 - Square(x2), Circle(x6)

The multiplayer coins never fall where your target is shot. They usually fall exactly opposite on the tube. You will need to spin to the top or bottom when you make a kill.

Conserve Firewalls for heavy attacks and near-death situations. After shooting off a Firewall, spin your craft to collect any stray coins and bonuses.

 