Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Above The Rim ( 10 points )	Complete an alley-oop dunk.
Bench Time ( 10 points )	Win by 10 or more.
Buzzer Beater ( 20 points )	Win any game with a buzzer beater shot.
Double Up ( 20 points )	Win a game with at least double your opponent's score.
From Downtown ( 10 points )	Score 3 back to back 3 pointers.
In The Flow ( 10 points )	Score a 3 in momentum.
Lead The League ( 50 points )	Be #1 on any challenge leaderboard.
Posterized ( 10 points )	Complete 10 dunks in one game.
Shooting Clinic ( 20 points )	Make 10 shots back to back.
Triple Double ( 10 points )	Post a triple double ( at least 10 points, 10 rebounds, 10 assists) with one player.
Unrivaled ( 10 points )	Win the challenge ladder with one team.
Winning Streak ( 20 points )	Win 10 ranked match games.