Super Play - Sonic the Hedgehog (Electronic Gaming Monthly, October 1991)
From Sonic Retro
Super Play - Sonic the Hedgehog is a four page strategy guide for Sonic the Hedgehog in the October 1991 issue of the US magazine Electronic Gaming Monthly. It features a walkthrough provided by what is called the "U.S. National Video Game Team". The walkthrough only covers two levels, Green Hill Zone, and Marble Zone.