N2O: Nitrous Oxide Cheats

• Level 01 -- N/A

• Level 02 -- Circle, X (x3), Square, Circle, Square, X

• Level 03 -- Circle, X, Circle (x2), Square, Triangle, X, Triangle

• Level 04 -- Circle (x2), Triangle, Circle, Triangle, Circle, Square (x2)

• Level 05 -- Square, Triangle, Square, Triangle, Square, Triangle, Triangle, Circle

• Level 06 -- Square (x2), Circle, Square, Triangle, X, Triangle, X

• Level 07 -- X, Triangle, Circle, Square, X, Triangle, Circle, Triangle

• Level 08 -- Square, Circle (x2), Triangle (x2), Square, Triangle, Square

• Level 09 -- Square, Circle, X, Triangle, Square (x2), X, Circle

• Level 10 -- X, Triangle, Square, Circle, Triangle, X (x3)

• Level 11 -- Circle, Square, Triangle, Square, Circle, Triangle, Square, Triangle

• Level 12 -- Circle, X (x3), Triangle, X (x2), Square

• Level 13 -- Square, Triangle (x2), Circle (x2), X, Circle (x2)

• Level 14 -- Square (x2), Triangle, Circle (x2), Triangle, Circle, X

• Level 15 -- Circle, Triangle, X, Square, Circle, Triangle (x3)

• Level 16 -- Circle, Square, Triangle, X, Circle (x3), Square

• Level 17 -- X, Circle, Triangle, X, Square (x3), Circle

• Level 18 -- Circle, Triangle, Circle (x2), Triangle, Square (x2), X

• Level 19 -- Square, X, Circle, Square, Circle, X (x2), Triangle

• Level 20 -- Circle, Square, Triangle, Square (x5)

• Level 21 -- Circle (x4), Triangle, X, Triangle, Circle

• Level 22 -- Circle, X, Circle, Triangle, X, Circle, Triangle, X

• Level 23 -- Square (x2), Triangle, Circle, Triangle, X, Circle, Triangle

• Level 24 -- Circle (x2), Square, Triangle, Square, Triangle (x2), Square

• Level 25 -- Circle, X, Triangle, X, Square, Triangle, X, Circle

• Level 26 -- Square, Circle (x3), X, Circle, X (x2)

• Level 27 -- Square (x2), Triangle, Circle, X (x2), Square, Triangle

• Level 28 -- X (x2), Circle, Triangle, Square, Circle, X, Square

• Level 29 -- Square (x2), Circle (x6)

N2O: Nitrous Oxide Cheat Codes
Enter these codes on the password screen.

• Disable Cheats -- Square, Square, X, Circle (x4), Triangle
• Firewalls -- X, X, Square, X, X, X, Triangle, Triangle
• Hidden Ship -- X, X, X, Square, Triangle, Circle, X, Triangle
• No Bonus Reset after Death -- Square, Triangle, X, Triangle, Circle, Square, Triangle, X
• Select Bonus Level -- Square, Square, Square, Triangle, Circle, Triangle, Square, Square
• Select Level -- Square Circle, X, Triangle (x2), X, Circle, X
• Water Effects -- Circle, X, Square, Triangle (x2), Circle, Triangle, Circle
• Weapons -- Square, X, Circle, Square, X, Square, Circle, Square
• Unlimited Lives -- Circle, X, X, Triangle, Square, Triangle, Square, Circle