When the Story screens appear, qucikly press:

Right C, Up C, A, B, Down C, Up C, Right C.

If you're fast, you'll hear Shao Kahn say Khameleon, and he'll be selectable at the character select screen.

After entering the Stage Select code, choose your fighter and select ''Pit 3'' as your Stage. before the match begins, hold Down+A+B. Your fighter should morph at the beginning of the battle.

After entering the Stage Select code, choose your fighter and select ''Jade's Desert'' as your Stage. before the match begins, hold Left (on D-Pad)+Low Kick+High Kick simultaneously. Your fighter should morph at the beginning of the battle.

Select Robo-Smoke as your fighter and hold Left (on D-Pad)+Block+High Punch+High Kick+Run simultaneously before the match begins. Robo-Smoke should morph into Human Smoke.

This code will give you access to two special option menus. As the text on the demo screen scrolls by, press Block,HK,LK,Run,LP,HP,HP,HP,LP, and LP. You will hear a voice say, ''Uh-huh,'' if you did it correctly. Then go to the Options screen to access the new menus.

In the beginning of the game where it shows all the words , type this in(You must do it Fast):

At the character select screen, highlight sonja and press up+start. After choosing the character you wish to play you will be able to select which level you start on.

At the first title when the words starts scrolling. Must do Quickly

Before the battle when your able to put number codes with pictures. Thats where you use these.

After getting a game over screen you are prompted to enter a "Ultimate Kombat Kode". At this time enter 113-840. The screen will flash when the time runs up and the text "Smoke and Khameleon are at your control" will appear. Both characters will then be selectable on the character select screen. Thanks to Proto K for discovering this.

Play 50 games in 2-Player mode to play a hidden game.

Play 100 games in 2-Player mode to play a hidden game.

Hold Down after delivering or receiving the Pit fatality on the Dead Pool stage. You will hear someone say ''amah''.

During the Pit fatality at Scorpion's Lair, hold Low Punch on controller 1 and 2. You will hear Shao Kahn say ''crispy''.

During the Pit fatality at Scorpion's Lair, hold Block on controller 1 and 2. You will hear Dan Forden say ''crispy''.

As Sub-Zero, beat you're opponent until his/her life bar says ''danger''. Perform Sub-Zero's Ice Freeze (QCF + LP). Dan Forden will appear and say ''frosty''.

When a babality is performed on you, immediately hold High Punch, Low Punch, High Kick, and Low Kick. Your character will turn back into an adult and explode, resulting in a fatality.

After the Kombat Tomb Pit fatality, hold Up or Down. Your dead foe will slide off of the spikes.

To select your starting level in 1-player or Vs mode, highlight Sonya and pressing Up + Start.

To get unlimited credits, press the following at the Story Screen:

To get this Blue Question Mark Screen, put in the following code during gameplay:

Put the game into your computers CD or DVD rom drive, and if using Windows media player, you can hear the soundtrack to the game. Windows media player even detects it as Mortaal kombat trilogy soundtrack.

Highlight either Kano, Kung Lao, Jax, or Rayden and press select. They should explode and turn into MK1 Kano, MK2 Kung Lao, MK1 Rayden, and MK2 Jax (without metal arms). They have the same moves and fatalities as the ones in the old games.

Highlight Noob Saibot (P1) or Rain (P2) and press Up and Start.

Enter the following at the story screen:

At the Character Selection screen, highlight Kano and press Down+Start. If done corectly Shao Kahn will taunt you. Next, choose your Kombat and the Hardest path. All but three of the fights will be endurance matches.

Kombat Kodes are entered at the VS screen using a button to control each of the six boxes. Press the button as many times as the numbers.

Press the following at the player select screen:

Press Up, C, D, B on the options screen.

Enable the ? Menu then turn on QUICK FINISH. After defeating your opponent, enter one of the sequences below to finish him or her.

Brutality - Forward, Forward, Forward, A
Friendship - Forward, Forward, Forward, C
Babality - Forward, Forward, Forward, D
Fatality - Forward, Forward, Forward, B