| Achievement | How to unlock
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| Kill 2 Infected | Kill 2 Infected to complete.
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| Kill 4 Infected | Kill 4 Infected to complete.
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| Kill 6 Infected | Kill 6 Infected to complete.
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| Kill 8 Infected | Kill 8 Infected to complete.
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| Kill 10 Infected | Kill 10 Infected to complete.
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| Kill 12 Infected | Kill 12 Infected to complete.
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| Kill 14 Infected | Kill 14 Infected to complete.
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| Kill 16 Infected | Kill 16 Infected to complete.
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| Kill 18 Infected | Kill 18 Infected to complete.
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| Kill 20 Infected | Kill 20 Infected to complete.
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| Kill 22 Infected | Kill 22 Infected to complete.
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| Kill 24 Infected | Kill 24 Infected to complete.
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| Kill 26 Infected | Kill 26 Infected to complete.
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| Kill 28 Infected | Kill 28 Infected to complete.
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| Kill 30 Infected | Kill 30 Infected to complete.
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| Kill 32 Infected | Kill 32 Infected to complete.
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| Kill 34 Infected | Kill 34 Infected to complete.
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| Kill 36 Infected | Kill 36 Infected to complete.
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| Kill 38 Infected | Kill 38 Infected to complete.
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| Kill 40 Infected | Kill 40 Infected to complete.
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| Kill 42 Infected | Kill 42 Infected to complete.
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| Kill 44 Infected | Kill 44 Infected to complete.
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| Kill 46 Infected | Kill 46 Infected to complete.
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| Kill 48 Infected | Kill 48 Infected to complete.
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| Kill 50 Infected | Kill 50 Infected to complete.
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| Kill xx Infected | Kill xx Infected to complete.
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