Analysis of information sources in references of the Wikipedia article "Fan game" in English language version.
However, after a few weeks, Whitehead's website was taken offline, as was the YouTube video he released to show off his work. It seemed as though Sega's lawyers had issued a cease-and-desist and ordered his work to be scrapped. Two years later and an official Sonic CD release surfaces bearing Whitehead's name. Sega had done what few multinational companies of its size, age and resultant inflexibility could have: made a fan a creative asset.