Kill 6 bosses
Kill 400 enemies
Kill 300 enemies
Collect 40 pickups
Collect 30 pickups
Lose 18 ships
Deploy 5 overloads
Deploy 3 overloads
Beat highscore of 80,000
Kill 4 bosses
Kill 180 enemies
Lose 9 ships
Kill 2 bosses
Deploy 1 overload
Collect 20 pickups
Collect 10 pickups
Lose 3 ships
Beat highscore of 20,000
Beat highscore of 40,000
Kill 1 boss
Kill 90 enemies
Collect 5 pickups
Kill 30 enemies