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 388 bullets
Shoot 389 bullets
Shoot 370 bullets
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Shoot 349 bullets
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Shoot 323 bullets
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Shoot 345 bullets
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Shoot 307 bullets
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Shoot 296 bullets
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Shoot 274 bullets
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Shoot 257 bullets
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Shoot 256 bullets
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Shoot 255 bullets
Shoot 230 bullet
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Shoot 244 bullets
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Shoot 239 bullet
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Shoot 250 bullets
Shoot 211 bullet
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Shoot 255 bullet
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Shoot 194 bullets
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Shoot 178 bullets
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Shoot 162 bullet
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Shoot 146 bullets
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Shoot 112 bullets
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Shoot 109 bullets
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Shoot 77 bullets
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Shoot 42 bullets
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Shoot 24 bullets
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Shoot 1 bullet
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