Full list of all 70 Kinect Sports achievements worth 1,500 gamerscore. It takes around 80-100 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 20 achievements worth 500 Gamerscore.
Scored 85 or more in the Body Ball Volleyball mini-game
You're a sports Master
Scored 100 or more in the Super Saver Football mini-game
Scored 350 or more in the Pin Rush Bowling mini-game
Scored 10 or more in the One Bowl Roll Bowling mini-game
You're a sports Champion
Got a Turkey in Bowling
Scored more than 250 in Bowling
You're a sports Professional
Cleared a split in Bowling
Broke the lane in Bowling
Scored a perfect hat-trick in a match in Football
Won 2 games, one with each hand in Table Tennis
Survived a stun sequence without being hit in Boxing (Professional or Champion difficulty)
Performed a block move in Volleyball
Won a match of Volleyball
Scored a point from a perfect bump, set & super spike in Volleyball
Won a match in Table Tennis
Won a match with a smash in Table Tennis
Forced your opponent to roll 3 times in a match in Table Tennis
Won a game in Bowling
You're a sports Amateur
Won a match in Boxing
Won a match with a technical knockout in Boxing
Knocked down your opponent with an uppercut in Boxing
Won a match after being knocked down 4 times in Boxing
Won a match in Football
Won a match by scoring a goal in the last 10 seconds in Football
Scared the bird from the crossbar in Football
Scored 80 or more in the Target Kick Football mini-game
Won a full contest in Track & Field
Performed a windmill manoeuvre in Long Jump
Threw the discus less than 4 meters in Discus
Won a race after knocking down every hurdle in Hurdles
Reach level 50 and earn the Legendary badge
Win a game in Bowling (Champion difficulty)
Win a match in Boxing (Champion difficulty)
Win a match in Football (Champion difficulty)
Score 5 goals or more in a match in Football (Professional or Champion difficulty)
Win a match in Table Tennis (Champion difficulty)
Score 60 or more in the Rally Tally Table Tennis mini-game
Score 150 or more in the Paddle Panic Table Tennis mini-game
Win a match conceding no points in Table Tennis (Professional or Champion difficulty)
Win a full contest in Track & Field (Champion difficulty)
Gain a boost start and boost finish in 100m
Break some electrical equipment within the stadium in Javelin
Win a match of Volleyball (Champion difficulty)
Score a point by heading or kicking the ball in open play in Volleyball
Score 130 or more in the Bump Bash Volleyball mini-game
Win a match conceding no points in Volleyball (Professional or Champion difficulty)
Scored 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
Scored 360 or more in the Pinvaders Bowling mini-game
Knocked down 50 pins or more in 4 seconds in the Pinvaders Bowling mini-game
Scored 12 or more in the King of the Ring Boxing mini-game
Landed 5 or more punches on a dizzied opponent in the King of the Ring Boxing mini-game
Scored 50 or more in the Super Striker Soccer mini-game
Scored 10 consecutive goals or more in the Super Striker Soccer mini-game
Scored 50 or more in the Fruit Splatter Volleyball mini-game
Score 1000 or more in the Rapid Runner Track & Field mini-game
Beat any calorie rival every day for 5 days in a row
Defeated the Pizza and Soda rivals in a single session
Defeated the Pizza in a maximum calorie challenge
Defeated any 5 calorie rivals within a single day
Defeated the Chocolate in a tough calorie challenge
Defeated the Soda in a long calorie challenge
Defeated the Banana and Milk rivals in a single session
Defeated the Milk in a medium calorie challenge
Defeated the Banana in a short calorie challenge
Defeated the Celery in a quick calorie challenge