Mortal Kombat 4

Bonus credits:
Press Up at the difficulty selection screen to obtain up to five credits.

Kombat Kodes:
Enter one of the following codes before a match begins.

No  Character
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0   Dragon
1   MK Logo
2   Ying-Yang
3   Four
4   Question Mark
5   Lightning Bolt
6   Goro
7   Raiden
8   Shao Kahn
9   Skull
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K.
Code    Effect
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192-234 Fight as Reptile
205-205 Fight against Reptile
100-100 Disable throws
460-460 Swicharoo
688-422 Dark Kombat
985-125 Psycho Kombat
020-020 No blocking
987-666 Programmer's message
123-926 Programmer's message
000-707 CPU 25% life
000-033 CPU 50% life
707-000 Player 1 25% life
033-000 Player 1 50% life
123-123 One-hit win
012-012 Noob Saibot mode
050-050 Explosive Kombat
002-002 Weapons never dropped
010-010 Disable max damage
110-110 No throw, disable max damage
111-111 Random weapon appears
222-222 Start with random weapon
333-333 Randper Kombat
444-444 Start with weapons drawn
555-555 Many weapons
666-666 Silent Kombat
321-321 Big heads
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Hint: Reptile's Fatality:
Hold A + B and press Up when the "Finish Him" message appears.

Hint: Reptile's moves:
Acid Spit: Down, Forward, B
Running Charge: Back, Forward, B

Hint: Scorpion's auto-fatality:
Begin game play as Scorpion and win the second round using only the spear.
Finish your opponent with a throw, and keep B held.
The message "Scorpion Wins" will appear.
Keep B held for Scorpion's fatality.