Complete the following tasks to unlock Apple Game Center achievements.

Achievement	How to unlock
Challenging (50 points)	Win 5 maps in a row without quitting the game.
Commander Awesome (100 points)	Win 20 online games.
General for All (50 points)	Promoted to the highest online crown rank.
Masterful! (30 points)	Win 3 online games.
Mega Kill (30 points)	Destroy 5 troops in a single turn.
Multi Kill (10 points)	Destroy 3 troops in a single turn.
Participation (30 points)	Played against someone online.
Sarge in Charge (30 points)	Promoted to the highest online double-star rank.
Ultra Kill (20 points)	Destroy 4 troops in a single turn.
Up the Ranks (20 points)	Promoted to the highest single-star rank.
Victory! (30 points)	Win against a player in an online game.
Warrant in Order (40 points)	Promoted to the highest online triple-star rank.