Achievements
     Complete each achievement to get the allotted gamerscore.

Chaotic (10):            Collect a Chaos Emerald.

Complete Chaos (25):     Collect all seven Chaos Emeralds.

Complete the Game (25):  Finish the game.

Fast Freeze (25):        Complete the Icecap Zone.

Goodie Gumballs (10):    Get a blue gumball.

Halfway there... (10):   Collect 50 rings.

Marble Finishes (15):    Finish the Marble Garden Zone.

Points I (10):           Score 20,000 points.

Points II (15):          Score 40,000 points.

Points III (25):         Score 80,000 points.

Wet and Wild (15):       Finish the Hydrocity Zone.

Wet Feet (15):           Run across water.