| Achievement | How to unlock
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| A Good Deed | Return the first Book of History in each Era.
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| A Secret That Time Forgot | Retrieve one treasure in each Era revealed from returning Books of History.
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| Citizen Showcase | Get five Citizens in each era to Talent level three.
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| Citizens Unite! | Recruit all 88 Citizens across both eras.
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| Citizens of Time | Unlock all achievements.
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| Collector | Collect hundred items in each era.
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| Connoisseur | Collect 300 items in each era.
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| Cross-era Co-operation | Recruit five Citizens in each era.
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| Era Avenger | Defeat thousand enemies in each era.
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| Era Emperor | Defeat Boss Tock in Citizens of Space.
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| Hedging Your Bets | Earn $10,000 in Citizens of Earth and 10,000 credits in Citizens of Space.
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| Honorary Librarian | Return all books of History in each Era.
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| I'll Feel This Tomorrow... | Receive 10,000 damage in combat in each era.
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| Let's Go! | Recruit VP in Citizens of Space.
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| Local Flavor | Use fifty items in each era.
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| Old Friends And New | Recruit 25 Citizens in each era.
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| Political Power | Deal 10,000 damage in combat in each era.
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| Raising the Deficit | Use hundred items in each era.
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| Scouring the Timeline | Find hundred treasures in each era.
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| Stacking the Shelves | Return five Books of History in each Era.
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| Stimulus Package | Spend $10,000 in Citizens of Earth and 10,000 credits in Citizens of Space.
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| Talent Tango | Get one Citizen in each era to Talent level three.
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| Temporal Custodian | Retrieve all of the treasures revealed from returning Books of History in both eras.
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| Temporal Explorer | Discover twenty locations in each era.
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| Tidying the Timeline | Retrieve five treasures in each Era revealed from returning Books of History.
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| Time For An Ambassing | Recruit Ambassador in Citizens of Earth.
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| Uncharted Time-Territory | Discover fourty locations in each era.
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| You Cleaned His Clock! | Defeat Boss Tock in Citizens of Earth.
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| You're So Talented! | Get all Citizens from both eras to max Talent level.
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