Complete the following tasks to unlock Apple Game Center achievements.

Achievement	How to unlock
Annihilation	Complete a match in the final level of Space Raiders.
King of Quick	Score 46 000 points in a Quick Match.
King of Space	Score 600 000 points in Space Raiders.
King of Survival	Survive for 121 seconds in Challenge Mode.
King of the world	Score 400 000 points overall in a Tournament.
Master of Quick	Win a quick match on maximum difficulty.
Master of the World	Win the hard Tournament.
Prince of Quick	Score 21 000 points in a Quick Match.
Prince of Space	Score 410 000 points in Space Raiders.
Prince of Survival	Survive for 110 seconds in Challenge Mode.
Prince of the World	Score 280 000 points overall in a Tournament.
Win a Round	Win one round of a match.