Here is the full list of all 50 The Ploshers achievements.
stage_01
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stage_12
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stage_22
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stage_36
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stage_38
stage_39
stage_40
golden_star_1
golden_star_3
golden_star_5
golden_star_10
golden_star_15
golden_star_20
golden_star_25
golden_star_30
golden_star_35