Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

First Win (10 points): Win a game in single player.
Beat the Masters (15 points): Win 10 games against Master level AI(s).
Guru Beater (20 points): Win 40 games against Guru AI(s).
Doubles (15 points): Win at least 1 round with at least 1 of each double placed last.
Super Blocker (10 points): Win 30 blocked rounds.
Perfect Game (20 points): Win a game without drawing.
All 5's Winner (10 points): Win 50 All 5's games.
All 3's Winner (10 points): Win 30 All 3's games.
Real Win (10 points): Win a multiplayer game.
Domino Explorer (15 points): Win a game in all game modes at least once in both Single Player and Multiplayer modes.
Mega Player (25 points): Win 5 rounds in a row.
All 3's Guru (40 points): Get 36 points 3 times (when playing All 3's game with double 9 domino set).