Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Assassin! ( 15 points )	Knock an opponent out of a Killer party game in six-or-less darts.
Bottom rung ( 5 points )	Enter a custom character into a tournament.
Demon bowler UK ( 5 points )	Score 3 points with three darts as the bowler in UK rules Cricket.
Demon bowler US ( 5 points )	Hit three consecutive numbers in three consecutive darts in one turn of US rules Cricket.
Digital tungsten magic ( 20 points )	Win an online match.
Doubling up ( 15 points )	Finish a game of Black & White with a score of 20 or more.
First match win ( 5 points )	Win a match.
Five's alive ( 15 points )	Score '36' after three darts in a game of Fives.
Good darts! ( 10 points )	Score over 100 in three darts.
Halfway There ( 80 points )	Win three tournaments.
Halfway to the leaderboard ( 5 points )	Throw 50 darts online.
Keeping time ( 10 points )	Hit three consecutive numbers in three consecutive darts in one turn of Around The Clock.
Last chance saloon ( 20 points )	Check out with a double-1.
Lipstick ( 5 points )	Score a treble 20.
Magnetised to the lipstick ( 50 points )	Score 180 with assist off.
Maxed out checkout ( 50 points )	Check out with a score of 170.
Missing in action ( 5 points )	Miss the targeted finishing double, three darts in a row in one turn.
Practice makes perfect ( 50 points )	Score 180 on the practice board in three darts.
Ranking player ( 10 points )	Throw 100 darts online.
Shanghai! ( 30 points )	Hit the single, double and treble of the round's number in Shanghai..
Smackeroo! ( 15 points )	Score 180 in three darts.
Survivor ( 10 points )	Beat an opponent's score of 140 or more in Knockout.
Taking on the world ( 5 points )	Enter an online match.
Taylor Made ( 100 points )	Rank number one in the Order Of Merit with a custom character.
The champion! ( 120 points )	Win all tournaments.
The nine dart finish ( 150 points )	Score exactly 501 in nine darts.
The whole 9 points ( 20 points )	Score 9 points in three darts in a game of Twenty-One.
Unassisted ( 30 points )	Beat a pro with the assist off.
Unrivaled ( 100 points )	Beat every professional.
Victory ( 5 points )	Win your first tournament.
What are the odds? ( 15 points )	Score 177 in Odd Man In.
Whole ( 20 points )	Complete a game of Half-It without being halved.