Complete the following tasks to unlock Apple Game Center achievements.

Achievement	How to unlock
Bomb Disposal Expert	Disable 20 bombs.
Comb God	Build a ring of black hexagons..
Comb Millionaire	Collect 100,000 points.
Combo Master	Remove 6 rows within one move.
Gold Rush	Dig out 30 golden hexagons.
Grandmaster of Destruction	Remove 1000 hexagons.
Late Riser	Turn off 20 alarm clocks.
Master of Destruction	Remove 500 hexagons.
Ruler of Darkness	Create 5 black hexagons.
Ruler of Light	Create 5 white hexagons.