Reach a score of 1,000 on any difficulty
Reach a score of 2,500 on any difficulty
Reach a score of 4,000 on any difficulty
Reach a score of 5,800 on any difficulty
Reach a score of 1,000 on the highest difficulty
Reach a score of 2,000 on the highest difficulty
Reach a score of 3,000 on the highest difficulty
Reach a score of 4,000 on the highest difficulty