| Achievement | How to unlock
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| And so it begins | You completed the tutorial.
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| Armed to the teeth | You acquired every weapon in the game.
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| Bonus Hunter | You opened all the bonus levels.
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| Curious little bugger | You talked to all the NPCs.
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| Golden God | You beat the game without losing a life.
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| Grand Champion | You beat the game
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| James "The Rev" Sullivan | You acquired all of the lost art.
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| Nice to meet you | You talked to an NPC.
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| Platinum God | You beat the game in Nightmare Mode without losing a life.
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| Through Hell and back | You beat the game in Nightmare Mode.
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