Complete the following tasks to unlock Apple Game Center achievements.

Achievement	How to unlock
Fast Fingers (25 points)	Fastest correct answer in under 2 seconds.
Lightning Fingers (30 points)	Fastest correct answer in under 1 second.
Perfect 10 (25 points)	10 correct answers in a row.
Perfect 20 (50 points)	20 correct answers in a row.
Perfect 50 (100 points)	50 correct answers in a row.
Player (25 points)	Play each mode at least once.
Quiz Addict (50 points)	1000 questions answered.
Quiz Enthusiast (25 points)	100 questions answered.
Quiz Guru (75 points)	2000 questions answered.
Quiz Veteran (50 points)	1500 questions answered.