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Challenges
Go to ChallengesNo challenges available for this game right now.
Rewards
Create your accountIf you master (unlock all core achievements) or perfect (unlock all achievements) this game, you will automatically unlock all rewards and any reputation spent will be refunded.
Official cover for Zero Hour on Unknown
This is an official image pulled from this game's platform. If it changes, it will also automatically update for you.
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Rewards for other versions of this game
These rewards are specific to other versions of this game (usually platform-specific covers). You can unlock them with Reputation, or by mastering the version of the game they are tied to.
Official cover for Zero Hour on Steam
This is an official image pulled from this game's platform. If it changes, it will also automatically update for you.
