Here is the full list of all 50 The Price Is Right: Decades achievements worth 1,000 gamerscore.
You have played a Single player show with Xbox 360 Kinect Sensor.
You have played 10 local multiplayer games.
You have won $50,000 in Punch A Bunch!
You have watched all bonus videos!
You have won every showcase of every show! Impressive!
You love the two thousands!
You love the nineties!
You have won Hurdles 3 times on Xbox LIVE!
You have won five 4-player multiplayer games on Xbox LIVE!
Play 30 games on Xbox LIVE (any game mode).
You have won 10 multiplayer games on Xbox LIVE!
You love the eighties!
You love the seventies!
You have hosted 10 games on Xbox LIVE.
You have played 5 Contestant's Row on Xbox LIVE!
You are a serious contestant!
You have won Cover Up on your first guess!
You have won $10,000 in Magic Number!
You have unlocked all the tapes! Congratulations!
You have won $40,000 in It's in the Bag!
You have won $10,000 on Race Game.
You have won Check Out with a difference of $0.05 or less!
You have won 3 Strikes 1999 without misplacing any number!
You have won Cliff Hangers being on the 25th step! That was close!
You have won $50,000 in Golden Road 1984!
You have unlocked 30 tapes.
Who's awesome? YOU'RE AWESOME!
You have won $200,000 in Golden Road 2005!
You have won $60,000 in Super Ball!
You have won $20,000 in Walk Of Fame!
You have won a Double Money Showcase in local multiplayer! Wow!
You have won Pathfinder without making any mistake!
You have unlocked 15 tapes.
You have won $40,000 in Hole in One!
You are smarter than the Professor!
You have watched a bonus video.
You have won Bonkers on your first attempt!
You have played a show on Xbox LIVE.
You have unlocked 5 tapes.
You have played a local multiplayer game.
You have unlocked the 1st tape.
You have won a Contestant's row for the first time (Single player).
Plinko 1998 : Win $30,000 or more in one Plinko game on Xbox LIVE (any game mode).
Play a Multiplayer game show with Xbox 360 Kinect Sensor.
Play 5 Single player games show with Xbox 360 Kinect Sensor.
Play 5 Multiplayer games show with Xbox 360 Kinect Sensor.
Play 2 games of Superball in Multiplayer game show with Xbox 360 Kinect Sensor.
SECRET - 3 Strikes 2009 : Win a game without drawing an X (Single)
Finish 1st on a 4 players local multiplayer game.
Plinko 1983 : Win $15,000 or more in a Plinko game (Local multiplayer).