| Achievement | How to unlock
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| Baby Steps | Complete Tutorial.
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| Crystal Rain | Collect 100 crystals.
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| Dag-On, Dag-Off | Kill 200 Spawns of Dagon.
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| Deep One, Two, Three | 123 Deep Ones must die.
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| Down came the rain... | Kill 1000 Spiderghouls.
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| Epic Awesome | Choose an EPIC perk.
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| Extinguisher | Kill 500 Fire Vampires.
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| Find Inventions | Recover lost Tesla Backpack.
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| First Showdown | Complete Chapter 1.
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| Kill it with Fire! | Kill 50 Parasites.
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| Meta Upgrade | Purchase a meta upgrade.
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| Polymurderous | Kill 50 Polyps.
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| Second Showdown | Complete Chapter 2.
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| Shoggoth Schmoggoth | Kill 50 Shoggoths.
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| That's no squid | Repel 100 Tentacles.
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| Third Showdown | Complete Chapter 3.
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| War Pigeon | Recover and Operate the Mech.
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| Wardenclyffe Victory | Activate the Wardenclyffe and save the world.
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| Wardenclyffe Victory II | Activate the Wardenclyffe and save the world in Aether Plane.
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| Wardenclyffe Victory III | Activate the Wardenclyffe and save the world in Eldritch Plane.
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