Incredible Machine game series
From gdp3
United States Patent 5,577,185: Computerized puzzle gaming method and apparatus
<references> <ref name="tIM">Wikipedia entry for The Incredible Machine game series</ref> </references>
United States Patent 5,577,185: Computerized puzzle gaming method and apparatus
<references> <ref name="tIM">Wikipedia entry for The Incredible Machine game series</ref> </references>