I guess y'all know where to enter these (hacking mode/cheat)...

1DDf2556 - Infinite ammo

0034AFFF - All weapons unlocked

FFF0020A - Fast focus restore

FFFFFFF1 - Invisibility (prevents enemies from seeing you)

4516DF45 - Silent mode (prevents enemies from hearing you)

69E5D9E4 - Infinite focus

7F4DF451 - Infinite health

FF00001A - Turbo mode

D5C55D1E - Multiplayer fighting (?)

BB013FFF - Low gravity

7867F443 - Faster logos

312MF451 - Unlocks taxi driving

13D2C77F - Unlocks bonus test level

Some phone numbers:

001-949-555-0112
001-714-555-0187
001-213-555-0142
001-310-555-0111
001-949-555-0101


Regards,
L!M!T 