Defeat a flagship for 800 points
Beat the initial high score of 5,000 points
Score 25,000 points
Fire 1,000 bullets in one game
See three flagships on a level
See four flagships on a level
Complete a level without missing any shots
Reach the 2nd level
Reach the 3rd level
Reach the 4th level
Reach the 5th level
Reach the 6th level
Reach the 7th level
Reach the 8th level
Reach the 9th level
Reach the 10th level
Reach the 11th level
Reach the 12th level
Reach the 13th level
Reach the 14th level
Reach the 15th level