Enter the following codes at the VS Screen to unlock the corresponding effect.

Throwing Disabled:
Player 1 - LPx1
Player 2 - LPx1

Blocking Disabled:
Player 1 - BLx2
Player 2 - BLx2

Fast Uppercut Recovery Enabled:
Player 1 - LPx6, BLx8, LKx8
Player 2 - LPx4, BLx2, LKx2

Unlock Classic Sub-Zero:
Player 1 - HPx8, LPx1, BLx8, LKx3, HKx5
Player 2 - HPx8, LPx1, BLx8, LKx3, HKx5.

Unlock Mileena:
Player 1 - HPx2, LPx2, BLx2, LKx6, HKx4
Player 2 - HPx2, LPx2, BLx2, LKx6, HKx4

Unlock Ermac:
Player 1 - HPx1, LPx2, BLx3, LKx4, HKx4
Player 2 - HPx4, LPx4, BLx3, LKx2, HKx1

Unlock Dark Kombat:
Player 1 - LPx6, BLx8, LKx8
Player 2 - LPx6, BLx8, LKx8.

Unlock Explosive Combat (2 on 2 only):
Player 1 - LPx2, BLx2, LKx7
Player 2 - LPx2, BLx2, LKx7

Unlock Kombat Zone - Kahn's Kave:
Player 1 - LKx4
Player 2 - BLx7

Unlock Kombat Zone - Kombat Temple:
Player 1 - LPx6
Player 2 - BLx4

Unlock Kombat Zone - Noob Saibot Dorfen:
Player 1 - BLx5
Player 2 - BLx5

Unlock Kombat Zone - River Kombat:
Player 1 - LKx2
Player 2 - LKx3

Unlock Kombat Zone - Kahn's Tower:
Player 1 - LPx8, BLx8
Player 2 - LPx2, BLx2

Unlock Kombat Zone - Bell Tower:
Player 1 - BLx9, BLx1
Player 2 - LPx1, BLx9

Unlock Kombat Zone - Jade's Desert:
Player 1 - LPx3, BLx3
Player 2 - BLx3, LKx3

Unlock Kombat Zone - Street:
Player 1 - BLx7, LKx9
Player 2 - BLx3, LKx5

Unlock Kombat Zone - Subway:
Player 1 - LPx8, BLx8
Player 2 - BLx8, LKx8

Unlock Kombat Zone - The Bridge:
Player 1 - BLx7, LKx7
Player 2 - BLx2, LKx2

Unlock Kombat Zone - The Pit 3:
Player 1 - LPx8, BLx2
Player 2 - BLx2, LKx8

Unlock Kombat Zone - Scorpion's Lair:
Player 1 - LPx6, BLx6, LKx6
Player 2 - LPx4, BLx4, LKx4

Kombat Zone - Rooftop:
Player 1 - LPx3, BLx4, LKx3
Player 2 - LPx3, BLx4, LKx3

Unlock Kombat Zone - The Graveyard:
Player 1 - LPx6, BLx6, LKx6
Player 2 - LPx3, BLx3, LKx3

Unlock Kombat Zone - Scislac Busorez:
Player 1 - LPx9, BLx3, LKx3

Unlock Kombat Zone - Soul Chamber:
Player 1 - LPx1, BLx2, LKx3
Player 2 - LPx9, LKx1

Unlock Two-Player Mini-Game of Galaga:
Player 1 - LPx6, BLx4, LKx2
Player 2 - LPx4, BLx6, LKx8


Achievements
Complete each of the following achievements below to get the corresponding GamerScore. There are 12 achievements worth a total of 200 points.

Unlock Double Time - GamerScore 8:
Against the CPU complete a 2 hit combo.

Unlock Match Three - GamerScore 10:
In any Single player tournament reach the third match.

Unlock Flawless - GamerScore 11:
Against the CPU (1 round) complete a Flawless victory.

Unlock Match Five - GamerScore 12:
Reach the 5th match in any Single player tournament.

Unlock Competitor - GamerScore 12:
Win a total of 10 Xbox Live Ranked Versus matches.

Unlcock Fatality - GamerScore 15:
During an Xbox Live Versus game complete a Fatality.

Unlock Combo Number 5 - GamerScore 15:
Against the CPU complete a 5 hit combo.

Unlock Beat the Noob! - GamerScore 25:
While playing the CPU defeat the hidden character - Noob Saibot.

Unlock My Friend - GamerScore 20:
During an Xbox Live Versus game complete a Friendship.

Unlock Soother - GamerScore 20:
Against the CPU complete a Babality.

Unlock Ultimate - GamerScore 22:
In any Single player tournament become the champion.

Unlock Century - GamerScore 30:
Win a total of 100 Xbox Live Ranked Versus matches