At the start screen, press the following:

Enter the following after the bell rings at the Mortal Kombat 3 logo:

At the versus screen before the match, Player 1 enters the 1st 3 digits while Player 2 enters the last 3. The first digit in each parenthesis for both Player one and Player two is A if it says 4 you tap it 4 times. The same process is used for the middle digit which is B, and the third digit which is C.

Fight in 2 player mode 100 times and the game, which is similar to galaga will appear

While fighting Shao Kahn during one player mode, press start on the second player controller. Play a two player games, and you will battle in the sky.

Lose a single player match and hold Down on controllers 1 and 2. Your opponent will end the match with a fatality or brutality

At the versus screen before the match, Player 1 enters the 1st 3 digits while Player 2 enters the last 3.

At the VS screen, enter the following password:

When you get game over and the Ultimate Kombat Kode screen appears,enter the code 1-0-9-0-2-2-2-2-3-4.

When playing as Sub-Zero, freeze your opponent while their health is in Danger and Dan Forden will pop out to say 'Frosty!'

At the Select Your Fighter screen, hold Up and press Start to have the machine choose a random fighter for you.

At the Versus Screen....

At the main screen (where it shows the credits) keep pressing the Up Button. You should recieve 1-3 more credits.

At the copyright screen, hold Left and A.
When the Williams logo appears, release the buttons and hold Right and B.
When the words ''There is no knowledge that is not power'' appear, release the buttons and hold X and Y
Continue to hold the buttons until the MK3 logo appears. Smoke will walk onto the screen and Shao Kahn will say ''Outstanding'' when you entered the code correctly.

At the character select screen go to Shang Tsung if you are first player and press Up + Start. If you are second player, do this on Lui Kang instead of Shang Tsung.

At the Kombat Code screen, press Up six times, Right six times, the punch button six times, the kick button six times, Left four times, and Down four times.

At the Kombat Code screen, press Up nine times, the kick button four times, the punch button thrice, Right twice, Down twice, and Left once.

At the Kombat Code screen, press Down seven times, and the kick button seven times.

At the Kombat Code screen, press Left seven times, and Right seven times.

At the Kombat Code screen, press Left nine times, Up eight times, Right five times, the kick button five times, the punch button twice, and Down once.

At the Kombat Code screen, press the punch button thrice, and the kick button thrice.

At the Kombat Code screen, press Left once, and Down once.

At the Kombat Code screen, press Up thrice, and Right thrice.

At the Kombat Code screen, press Left nine times, Up eight times, Right seven times, the kick button thrice, the punch button twice, and Down once.

At the Kombat Code screen, press Up twice, and the punch button twice.

At the Kombat Code screen, press Up eight times, Right eight times, Left six times, Down four times, the punch button twice, and the kick button twice.

At the Kombat Code screen, press Left seven times, Up eight times, Right three times, Down three times, punch four times, kick three times.

At the Kombat Code screen, press Up three times, Right three times, Down five times, punch six times, kick four times.

At the Kombat Code screen, press Left twice, Right five times, Down twice, kick five times.

At the Kombat Code screen, press Left seven times, Up six times, Right nine times, Down three times, punch four times, kick twice.

At the Kombat Code screen, enter the following for the desired effect.