Mortal Kombat: Shaolin Monks

Successfully complete all five Smoke missions to unlock the classic Mortal Kombat 2 arcade game.

Baraka
Fatality 1: Press Down, Left, Right(2), X.
Fatality 2: Press Left(4), X.

Cage
Fatality 1: Press Down(2), Right(2), X.
Fatality 2: Press Right(4), X.

Kitana
Kiss Of Death: Press Right(4), Y.

Kung Lao
Fatality 1: Press Left, Right, Left, Down, X.
Fatality 2: Press Right(4), X.
Hat Control: Press Left, Right(3), Left, Y.
Many Chops: Press Up(2), Left, Up, X.

Liu Kang
Dragon: Press Down, Right, Left(2), X.
Flipping Uppercut: Press Up, Right, Down Left, X.
Fire Trails Mutality: Press Up, Down, Up, Down, Y.
Rage Mode: Press Right, Up, Down(2), B.
Shaolin Soccer: Press Down, Left, Up, Right, X.

Reptile
Fatality: Press Left, Right, Left, Down, X.

Scorpion
Fatality: Press Up(2), Down(2), X.
Raise Hell: Press Down(3), Up, Y.

Sub Zero
Fatality: Press Up(2), Down, Up, Y.

In the Foundation area, follow the pathway downstairs to the left of the save station. Two archers will bust through the wall. Throw one of the archer at the wall to the left of the door way and it will bust open revealing a secret room full of lava and a Ying Yang symbol on a ledge. Grab the other archer and throw him in the lava. Then, double jump off the guards back to get the Ying Yang symbol that unlocks Scorpion in VS mode.

When Sub-Zero freezes the castle door in the Wastelands, break the door and enter, then exit the door. Jump up on the dragon statue to the left to find the Ying Yang symbol that unlocks Sub-Zero in VS mode.

To access Survival Mode, you must be in the Foundry. Grab the infamous Axe weapon from the MKII background, go into the room with lava that is available in the beginning by breaking the wood door down, jump into the lava and back out, go to room to the right of the save statue, smash the barrel at the end of hall (using the O button ONLY), go up the ramp and to the left where there are two barrels and smash ONLY the barrel on the right, go to the area with the Nitara-type weapon, smash ONLY the barrel on the right, go to the area with the "smashers" and smash that barrel, go back to the Nitara weapon and smash the barrel on the left, and go back to the other area where there were two barrels and smash the one on the left. Be sure you use the O button only. Now, stay there and press and hold the O button down to smash the ground. If you do this correctly, you will see green sparks. Press R2 and you will enter Survival Mode.

O button on X-Box is the B button (red)
R2 button on X-Box is the Black button.

Just before Reptile, stand by the lion. Wait a short time to see Santa Claus and his reindeer fly by.

After you defeat scorpion he'll jump out of the lava, you'll have to defeat twice. When you do he'll jump in the lava. As he goes down he'll hold up his thumb just like in terminator 2.

In the soul tomb portal, got to the area where you have to wall climb. You will see 2 paths. One leads left, the other right. The right path has a statue. Use fist of ruin and break it. Keep going and use the long jump ability across the gap and you will get him

As an alternative to beating single player with Liu Kang and Kung Lao separately in Single Player, beating Ko-op mode will earn you both Scorpion and Sub-Zero.

In the Wu Shi academy area where you have to put out the fires, jmup onto the house next to the test your might and then jump into the tower to get Cage's icon.