Complete the following tasks to unlock Apple Game Center achievements.

Achievement	How to unlock
Action Packed (20 points)	Complete 10 missions.
Cha-Ching (60 points)	Collect 12,000 rings as Amy.
Easy Target (10 points)	Collect 100 rings in one run.
Hot Heels (15 points)	Reach 5,000 meters in one run.
Knuckles on the Move (60 points)	Run 50,000 meters as Knuckles.
Mission Master (60 points)	Complete all missions.
On a Roll (30 points)	Complete 20 missions.
Power Overload (60 points)	Fully upgrade all Power-Ups.
Ring Hoarder (40 points)	Collect 100,000 rings.
Ringmaster (80 points)	Collect 1,000 rings in one run.
Sega Member (10 points)	Register your Sega ID.
Sky's the Limit (60 points)	Score 500,000 points in one run.
Sonic Boom (40 points)	Reach 10,000 meters in one run.
Sonic Rampage (50 points)	Run 1,000,000 meters.
Warm-Up (5 points)	Reach 3,000 meters in one run.