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If the correct code was entered, Smoke would become a permanent playable character on the character select screen.
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MK3 introduced " Kombat Kodes" which were 6 digit codes entered at the VS screen in a two player game to modify gameplay, fight hidden characters or display certain text messages.The gameplay of Sheeva performing a combo on Nightwolf in Mortal Kombat 3 at The Bridge stage. This was primarily to address concern from fans who thought that the previous games gave too much of an advantage to the defending player.
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MK3 introduced the "Run" button, accompanied by a "Run" meter, allowing the character to run.
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