The Grid

Quick restart:
Enter 327# on the keypad before selecting a character to resume the game quicker after losing a life.

Grid World arena:
Enter 930# on the keypad before selecting a character. Note: All players in the game must enable this code.

All characters:
Enter 847# then 392# and finally the desired character code at the keypad when selecting a character.

Instant basic weapon setup:
Enter 937# on the keypad before selecting a character.

Big head mode:
Enter 244# on the keypad before selecting a character.

Fight as cameraman:
Enter 226# on the keypad before selecting a character.

Fight as Cleo:
Enter 256# on the keypad before selecting a character.

Fight as Cristy:
Enter 574# on the keypad before selecting a character.

Fight as Darla:
Enter 375# on the keypad before selecting a character.

Fight as Gridman:
Enter 474# on the keypad before selecting a character.

Fight as host:
Enter 467# on the keypad before selecting a character.

Fight as lawyer:
Enter 529# on the keypad before selecting a character.

Fight as Noob Saibot:
Enter 767# on the keypad before selecting a character.

Fight as Red Dog 6:
Enter 733# on the keypad before selecting a character.

Fight as Scorpion:
Enter 726# on the keypad before selecting a character.

Fight as Sub-Zero:
Enter 782# on the keypad before selecting a character.

Fight as Trom:
Enter 876# on the keypad before selecting a character.

Extra money, but no mega-gun:
Enter 441# on the keypad before selecting a character.

Extra money, but no super moves:
Enter 444# on the keypad before selecting a character.

Extra money, but no bombs:
Enter 442# on the keypad before selecting a character.

Extra money, but no super charge:
Enter 443# on the keypad before selecting a character.

Booya name:
Enter 123# on the keypad before selecting a character. The announcer will say "Booya that was fat!" and then calls you Booya instead of your name.
Information in this section was contributed by Prof6Frink6.