Enter the Hacking system and enter cheat.exe at the A> prompt. Then enter any numeric code for the specific function:

All weapons

0034AFFF

Bonus level

13D2C77F

Invisibility

FFFFFFF1

Faster Logos

7867F443

Infinite ammo

1DDF2556

Infinite focus

69E5D9E4

Multiplayer

D5C55D1E

 Infinite Health

7F4DF451

Recover Focus Fast

FFF0020A

Enemies can't hear

4516DF45

 Enemies can't see

FFFFFFF1

Turbo mode

FF00001A

 Low gravity

BB013FFF

 Faster Logos

7867F443

Taxi Driving

312MF451