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

Unlocked All Modes (25 points): Unlock all game modes.
Magpie (15 points): Collect 500 geoms in a single game.
Millionaire (15 points): Score at least 1,000,000 points in all single player modes.
Phobia (15 points): Score 1,000 points in Waves without collecting any geoms.
Slalom (15 points): Chain together 5 gates in 5 seconds; crossing at least one gate every second.
Surf (15 points): Dodge 8 lines of enemies in Waves without firing a shot, or destroying any enemies.
Treaty (15 points): Activate 30 zones in King without firing a shot, or destroying any enemies.
Rebound (15 points): Destroy 75 enemies in a game of Deadline using bullets bounced off of gates.
Wax On (15 points): Rub your ship along all four arena walls in Pacifism.
Wax Off (15 points): Perform the Wax On achievement twice in a single game, don't forget to breathe.
Game Over (15 points): Reach the end of sequence.
Smile (25 points): 2, 4, 11, 15, 17, 18 and 19.