Extreme-G 2 (N64)

Mirror Mode:
Enter the password: HS3B9BQ9DGPL

Venom Superbike:
Enter the password: 868QCMH3H9HT

Wasp Superbike:
Enter the password: 55Hz1MH3H9H1

Spectre bike:
Enter the password: HSFDCCV611FV

More Multiplayer Levels:
Enter the Venom or Wasp Superbike codes, then enter the password N31GG76CG9DZ

All tracks:
Enter the password: 8KLSZKW76ZM7

All bikes:
Enter the password: 3GP8ZKW76ZMW

All bikes, tracks, and duel mode:
Enter the password: W7LRGCQ9D6P5

Blurry Mode:
Enter your name as FLICK.

Overhead View:
Enter your name as SPYEYE.

No Screen Panels:
Enter your name as NOPANEL

Super Speed:
Enter your name as XXX.

Tron Mode:
Enter your name as NEUTRON

Ugly Mode:
Enter your name as PIXIE.

Unlimited Nitro:
Enter your name as NITROID.

Unlimited Weapons:
Enter your name as MISTAKE.

Wipeout Mode:
Enter your name as 2064.

Wireframe Mode:
Enter your name as LINEAR.

Spiraling screen:
Enter your name as SPIRAL.

Misplace mode:
Enter your name as MISPLACE.

Unlimited Shields and Lasers:
Enter your name as XCHARGE.

No Screen Panels:
Enter your name as NOPANEL.

Random Courses:
Enter your name as JUGGLE.

Wipeout mode:
Enter your name as WIPEOUT

Boulder race:
Enter your name as ROLLER

Level Skip:
Enter your name as RA50 then start a race. While racing, press START to pause the game then select QUIT and say YES. When you get to the placing screen select "Go, Go" and you'll be advanced to the next level