The Beginning

Clear your first scenario.

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Undead Destroyer

Defeat 100 undead threats.

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Now We're Talking

Clear 10 scenarios.

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Recruit

Survive 5 scenarios on Normal Difficulty.

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Pacifist

Survive a scenario on Hard or Biohazard Difficulty with one or fewer kills.

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First Wave

Clear a wave in Onslaught.

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Hardened

Survive the first twenty five waves in Onslaught.

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Craftsman

Construct 50 barricades.

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