Clear stage 2.
Kill 500 enemies.
Collect 10 power-ups.
Clear stage 1.
Kill 100 enemies.
Clear stage 4.
Complete story mode.
Beat 5 bosses in total.
Beat 10 bosses in total.
Beat 15 bosses in total.
Score 500,000 points or higher in story mode on any difficulty.
Score 500,000 points or higher in endless mode.
Kill 1500 foes
Kill 2000 foes
Collect 75 power-ups.
Collect 100 power-ups.
Beat 20 bosses in total.
Kill 1000 enemies.
Collect 25 power-ups.
Collect 50 power-ups.
Clear stage 3.
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