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

Fruit Smoothie (5 points): Complete Fruit Smoothie in adventure mode.
Brick Invaders (10 points): Complete Brick Invaders in adventure mode.
Bronze Levels (15 points): Complete all the bronze levels.
Silver Levels (20 points): Complete all the silver levels.
Gold Levels (25 points): Complete all the gold levels.
First Medal (5 points): Win a medal by completing a task.
Three Medals (10 points): Win three medals by completing three tasks.
Bronze Medals (15 points): Win all the bronze medals.
Silver Medals (25 points): Win all the silver medals.
Gold Medals (35 points): Win all the gold medals.
Three-Nil (15 points): Win a game of Fluffy Football 3-0.
Five-Nil (20 points): Win a game of Multiplayer Forest Frenzy 5-0.