Cheat Menu:
This must be done on Controller 1. Access the Options menu, then select 'Continues' and hold Block+Run for about 10 seconds. You'll hear a laugh, followed shortly by, 'Outstanding...'

• Ending - Turn ON to see get your characters ending after only one fight.
• Fatality 1 - For easy Fatality, hold Down and press HP.
  
• Fatality 2 - For easy Fatality, hold Down and press HP.
  
• Level Fatality - Will punch opponent into spikes, except in The Prison...
  

Note: Only one of the above cheats will work at a time.

Play as Goro:
You must first access the cheat menu. Select the Hidden button on the Character Select screen, then move up three, over one to Shinnok, and press Block and Run. Hold both buttons until you see Goro's face on the tournamnet ladder.

Play as Noob Saibot:
You must first access the cheat menu. Select the Hidden button on the Character Select screen, then move up two, over one to Reiko, and press Block and Run. Hold both buttons until you see Noob's face on the tournamnet ladder.

Play as Meat:
In order to play as the character Meat you must go to 'Group Mode' which can only be played in a two player mode. Play every character in the game (16 in all) and make sure you win every time. After you play and win with the final character pick anyone. Your character will then be Meat. He will have all the moves of the character you selected but will look like a bloody skeleton.

Alternate Outfits:
Hold Start and press any button. Your character's face will turn around and you'll see the MK4 symbol - do this up to three times for three different costumes.
Note: Some new costumes come with new weapons...just check out Johnny Cage in the tux!

Versus screen codes 
 111 111 - Free Weapon 
 222 222 - Randper Kombat 
 321 321 - Big Head Mode
 444 444 - Armed and Dangerous 
 555 555 - Weapons will be trown out for you to pick up 
 666 666 - Silent Kombat 
 002 002 - Keep Weapons 
 012 012 - Noob Mode: 
 010 010 - Disable Maximum Damge 
 020 020 - Rain on Rain stage 
 050 050 - Explosive Kombat 
 110 110 - Disable Throws and  Maximum Damage 
 123 123 - No Power Bars 
 100 100 - Disable Throws 
 001 001 - Unlimited Run 
 
Stages 
 011 011 - Goro's Lair 
 022 022 - Furnace 
 033 033 - Elder Gods Stage 
 044 044 - Kombat Tomb 
 055 055 - Mountains 
 066 066 - Reptile's Lair 
 101 101 - Shaolin Temple 
 202 202 - Living Forest 
 303 303 - The Prison Stage
 

Thanks to Revolution readers Ben $hott$, The Great Kaiser, Joe Demir, King Kombatant, Matt Mosely, Cobraboy, Randy Russo, James Marquez, Jeff, Justin Green, Lee Smith, and Phreakazoid!