Complete the following tasks to unlock Apple Game Center achievements.

Achievement	How to unlock
Beast Chain (50 points)	200X Chain.
Beginner's Luck (10 points)	Kill 10 Enemies.
Drakkis (100 points)	Kill Drakkis - The Final Boss.
Gosu Chain (100 points)	500X Chain.
Hands Are Tied (50 points)	Destroy Richter - Level 10 Boss.
Living on the Edge (50 points)	Dodge 50 Bullets.
Miser (50 points)	Collect all coins in a single level.
Monster Chain (20 points)	Get a 50X Chain.
Nightmare (100 points)	Beat the game on nightmare.
Perfect Level (50 points)	Complete a level without losing a life.
Rock and Roll (50 points)	Kill Blasol - Level 5 Boss.
Snake Eater (50 points)	Defeat Rainn - Level 15 Boss.