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

Chain Master (15 points): Score a 5x chain in Action mode, Timed mode or Custom Playlist mode.
Unchained Melody (20 points): Score a 7x Chain in Action mode, Timed mode or Custom Playlist mode.
Self Restraint (15 points): Get to speed level 7 only making 3 of a kinds and no chains.
Pack Rat (15 points): Unlock all 11 in-game themes.
Score of the Gods (30 points): Score 1,000,000 points.
Champ (15 points): Win 1st place in a player match or ranked match .
Chain Gang (15 points): Score a 3x chain in Action mode, Timed mode or Custom Playlist mode.
Chain Monster (20 points): Score a 24x chain in Action mode, Timed mode or Custom Playlist mode.
The Thinker (10 points): Unlock all puzzle groups.
Challenge Hand (10 points): Make a challenge hand in Action mode, Timed mode or Custom Playlist mode.
All Hands (20 points): Make every possible hand in Action mode, Timed mode or Custom Playlist mode.
Triple Smash (15 points): Make three chains at the same time in Action mode, Timed mode or Custom Playlist mode.