Beat the game without using continues on normal or harder difficulty

Clear Mission 1 without losing a life on normal or harder difficulty

Clear Missions 1 and 2 without losing a life on normal or harder difficulty

Clear Missions 1, 2 and 3 without losing a life on normal or harder difficulty

Clear Mission 1 on hard difficulty

Clear Mission 2 on hard difficulty

Clear Mission 3 on hard difficulty

Clear the final mission on hard difficulty

Achieve a big score

Clear Mission 1 on normal difficulty

Clear Mission 2 on normal difficulty

Clear Mission 3 on normal difficulty

Clear the final mission on normal difficulty