Complete the following tasks to unlock Apple Game Center achievements.

Achievement	How to unlock
Direct Shot	Score without the puck hitting an edge.
Endurance	Puck switches sides many times without any goals being scored.
Great Comeback	Win match after being behind 6 points.
Hat trick	Score 3 times in a row.
Hockey Expert	Beat the computer player.
Hockey Master	Beat the computer player 7-0.
Ping-Pong Shot	Score after puck hits edges 3 times.
Serve Ace	Serve and score without the puck being hit by the computer player.
Super-Fast Victory	Beat the computer player in under 10 seconds of playtime.
Triple Ace	Make 3 serve aces in a match.