Kinect Sports

Perform a block move (by jumping at the net) in Volleyball

Call of Duty: Black Ops

Sabotage the Soviet space program.

Call of Duty: Black Ops

Receive orders from Lancer.

Call of Duty: Black Ops

Escape Vorkuta.

Call of Duty: Black Ops

Destroy all slingshot targets in 3 attempts.

Call of Duty: Black Ops

Ensure your squad escapes safely from Cuba.

Call of Duty: Black Ops

Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.

Kinect Sports

Win a match in Football

Kinect Sports

Win a match in Boxing

Kinect Sports

Win a match with a technical knockout (3 knock downs in 1 round) in Boxing

Kinect Sports

Win a full contest in Track & Field

Kinect Sports

Perform a windmill manoeuvre in Long Jump

Kinect Adventures

Have a friend join you while playing an activity or challenge

Kinect Adventures

See a photo get taken

MLB 2K11

Drive in 250 RBI with your user profile.

MLB 2K11

Draw a walk on a full count in a non-simulated game.

MLB 2K11

Complete an online game against a 2K developer or a player who already has this achievement.

Halo: Reach

Complete the 5th mission on Normal or harder.

Halo: Reach

Kill the Elite Zealot before he can escape during the 5th mission.

Halo: Reach

Kill 10 enemies in a Firefight or Campaign session with the DMR.

Halo: Reach

Advance any Commendation to its Silver state.

MLB 2K11

Hit 50 HR with your user profile.

MLB 2K11

Strikeout 200 batters with your user profile.

Call of Duty: Modern Warfare 2

Find Rojas in the Favelas.

Call of Duty: Modern Warfare 2

Infiltrate the snowy mountain side base.

Call of Duty: Modern Warfare 2

Get hand picked for Shepherd's elite squad.

Call of Duty: Modern Warfare 2

Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.

Call of Duty: Modern Warfare 2

Help train the local militia.

Call of Duty: Modern Warfare 2

Kill a Juggernaut in Special Ops.

Call of Duty: Modern Warfare 2

Earn 8 stars in Special Ops.

Call of Duty: Modern Warfare 2

Earn 4 stars in Special Ops.

Call of Duty: Modern Warfare 2

Kill 2 enemies with a single bullet in Single Player or Special Ops.

Call of Duty: Modern Warfare 2

Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.

Call of Duty: Modern Warfare 2

Earn 1 star in Special Ops.

MLB 2K11

Hit for the Cycle in a non-simulated game.