Cheat codes:

Fight Reptile 205-205
Disable throws and max damage 110-110
Big heads 321-321
Dark Kombat 688-422
Explosive Kombat 050-050
Multiple weapons 555-555
Switcharoo 460-460
Weapons never dropped 002-002
No blocking 020-020
Noob Saibot mode 012-012
CPU 50% life 000-033
Player 1 50% life 033-000
CPU 25% life 000-707
Player 1 25% life 707-000
Play as Reptile 192-234
Disable throws 100-100
Disable max damage 010-010
Psycho Kombat 985-125
Random weapon appears in match 111-111
Random Person Kombat 333-333
Silent Kombat 666-666
Start with random weapon 222-222
One hit win 123-123
Programmers message 987-666
Programmers message 123-926