Clear the game without getting damaged.
Clear the game without dying.
Clear the game on HARD.
Make it to a boss room without getting damaged.
Clear the game without using any energy, mystery, or weapon tanks.
Defeat one of every type of enemy.
Defeat the 8 bosses without your helmet on.
Defeat the 8 bosses with just your default weapon.
Clear the game without continuing.
Clear the game in under an hour.
Clear the game once.
Defeat 1000 enemies.
999
36115
8673
1142