The Party Pack Free with new for Kinect Sports has 10 achievements worth 250 gamerscore.
Score 360 or more in the Pinvaders Bowling mini-game
Knock down 50 pins or more in 4 seconds in the Pinvaders Bowling mini-game
Score 12 or more in the King of the Ring Boxing mini-game
Land 5 or more punches on a dizzied opponent in the King of the Ring Boxing mini-game
Score 50 or more in the Super Striker Soccer mini-game
Score 10 consecutive goals or more in the Super Striker Soccer mini-game
Score 130 or more in the Target Smash Table Tennis mini-game
Hit 3 or more consecutive smashes in the Target Smash Table Tennis mini-game
Score 1000 or more in the Rapid Runner Track & Field mini-game
Score 50 or more in the Fruit Splatter Volleyball mini-game