Start the game.
Defeat 100 minor enemies.
Beat the game.
Beat the extra stage.
Uncover 100% of the map.
Collect all of the weapons.
Destroy all of the gems in the hidden rooms.
Throw all vending machine cans in the trash.
Defeat any boss in 10 seconds (not counting when time is stopped).
Beat the game without using any continues.
Earn an S rank in Boss Rush.
Earn an A rank in Boss Rush.
Earn an B rank in Boss Rush.
Collect all of the items.
Unlock all of the achievements.