Complete the following tasks to unlock Apple Game Center achievements.

Achievement	How to unlock
20 Gems In A Row	Collect 20 gems without killing anything, dying, or restarting.
Facebook Score	Post a score to Facebook.
Gem Collector	Collect 1337 gems.
Kill 10 Of Each Enemy	Kill 10 of each type of enemy.
Legendary Skill	Get 250,000 points without dying.
Maximum Multiplier	Get a 10x multiplier.
Mega Points	Accumulate 100,000,000 lifetime points.
Point Collector	Score 250,000 points.
Point Enthusiast	Score 50,000 points.
Point Master	Score 1,000,000 points.
Saving Throw	Launch a bomb when almost dead.
Survival	Survive for 2 minutes.
Tweet Score	Post a score to Twitter.
WMD	Kill 100 enemies with one bomb.