Complete the first level.

Complete the first 10 levels.

Complete the first 25 levels.

Complete all 50 levels.

Complete a level with 1 or more unused pieces.

Complete a level with 2 or more unused pieces.

Complete a level with 4 or more unused pieces.

Finish a level with between 0 and 100 bonus points.

Play 20 consecutive levels in one session.

Play for an hour.

Score 250,000 points.

Score 500,000 points.