Clear Stage 1 on normal mode
Clear Stage 2 on normal mode
Clear Stage 3 on normal mode
Clear Stage 4 on normal mode
Clear Stage 5 on normal mode
Clear Stage 6 on normal mode
Clear Stage 7 on normal mode
Clear Stage 8 on normal mode and finish the game (triggers after credits)
Clear Stage 1 on special mode
Clear Stage 2 on special mode
Clear Stage 3 on special mode
Clear Stage 4 on special mode
Clear Stage 5 on special mode
Clear Stage 6 on special mode
Clear Stage 7 on special mode
Clear Stage 8 on special mode and finish the game (triggers after credits)
Get a perfect score on Bonus Stage 1
Get a perfect score on Bonus Stage 2
Max out the firepower of your spaceship
Complete the game on normal mode without using continues (triggers after credits)
Complete the game on special mode without using continues (triggers after credits)