Here is the full list of all 374 Sleengster 2 achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Shoot 389 bullets
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Shoot 334 bullets
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Shoot 223 bullet
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Shoot 255 bullet
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Shoot 175 bullets
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Shoot 166 bullet
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Shoot 44 bullets
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Shoot 1 bullet
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