Complete Stage 1 on any difficulty
Complete Stage 2 on any difficulty
Complete Stage 3 on any difficulty
Defeat Stage 4 on any difficulty
Complete the final stage on any difficulty
Defeat the 1st stage sub-boss with at least half health
Defeat the 2nd stage sub-boss with at least half health
Defeat the 3rd stage sub-boss with at least half health
Defeat the 4th stage sub-boss with at least half health
Defeat the 1st stage boss with at least half health
Defeat the 2nd stage boss with at least half health
Defeat the stage 3 boss with at least half health
Defeat the stage 4 boss with at least half health
Defeat the second sub-boss of stage 5 with at least half health
Defeat the third sub-boss of stage 5 with at least half health
Defeat the first sub-boss of stage 5 with at least half health
Defeat the final boss with at least half health
Complete all stages on hard difficulty (No Passwords or Continues)
Complete all stages on any difficulty without dying