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