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perspective illusion puzzle based on M.C. Escher drawings and impossible shapes
Minimum
OS *: Windows XP/Vista/7/8/10 Processor: Any Memory: 512 MB RAM Graphics: Any Storage: 100 MB available space Sound Card: Any
Minimum
OS: Mac OS X 10.7+ Processor: Core Due Memory: 512 MB RAM Graphics: Any Storage: 100 MB available space Sound Card: Any
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1 day observed
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29 days observed