Mortal Kombat Trilogy Harder Game: For a greater challenge in one player mode, highlight Kano, then press Down + Start. You will hear Shao Kahn say,"You'll never win." When you start a new tournament, there will be plenty of Endurance matches to go around. Level Select: Highlight Sonya and press Up + Start. More Options: During the story line, quickly press Left, C, Up, C, Right, C, Down, C, L, R, R, R, L, L. If you were quick enough, a tone will sound and two new selections will appearon the Options screen. Play as Human Smoke: Choose Smoke then press and hold Away, High Punch, High Kick, L, R before the match starts. Play as Motaro: This trick only works on the Desert and Wastelands. Choose anyone, but before the match starts press and hold Away + Low Kick + High Kick. When the match starts you will morph into Motaro. Unlimited Credits: For unlimited credits, press Down, Down, Up, Up, Right, Right, Left, Left at the attract mode screen.