Sonic the Hedgehog is a 1991 platform game released by Sega in June 1991. The first installment in the series of the same name, it would prove to be a massive success in the West, bolstering sales of the Mega Drive (Genesis in North America) and establishing it as a serious rival to the Super Nintendo Entertainment System.
Previews
Mega Drive Fan 🇯🇵 August 1990
Part of the magazine's coverage of the 1990 Tokyo Toy Show
Electronic Gaming Monthly 🇺🇸 August 1990
Part of the magazine's coverage of the 1990 Tokyo Toy Show
Electronic Gaming Monthly 🇺🇸 August 1990
Blurb
Electronic Gaming Monthly 🇺🇸 September 1990
Part of the magazine's coverage of the 1990 Tokyo Toy Show
Génération 4 🇫🇷 February 1991
Mean Machines 🇬🇧 February 1991
Blurb regarding the game's appearance at the 1991 Winter Consumer Electronic Show
Computer & Video Games 🇬🇧 March 1991
Part of the magazine's coverage of the 1991 Winter Consumer Electronic Show
ACE 🇬🇧 April 1991
Part of the magazine's coverage of the 1991 Winter Consumer Electronic Show
Beep! MegaDrive 🇯🇵 April 1991
Mega Drive Fan 🇯🇵 April 1991
Sega Visions 🇺🇸 April/May 1991
Electronic Gaming Monthly 🇺🇸 April 1991
Blurb
Game Players 🇺🇸 April 1991
GamePro 🇺🇸 April 1991
Originally printed on non-consecutive pages
Sega Power 🇬🇧 May 1991
Coverage of Sega's presence at the 1991 Consumer Electronic Show, including various other games
Mega Drive Fan 🇯🇵 May 1991
Raze 🇬🇧 June 1991
Edited together from two consecutive pages for readability
Electronic Gaming Monthly 🇺🇸 May 1991
Mega Drive Fan 🇯🇵 June 1991
Computer & Video Games 🇬🇧 June 1991
Game Players Sega Guide! 🇺🇸 June/July 1991
Sega Power 🇬🇧 July 1991
Also features part of an interview with people from Virgin (which is mostly, but not entirely, unrelated to Sonic )
Mega Drive Fan 🇯🇵 July 1991
Mega Force 🇫🇷 July/August 1991
Magazine covers
Electronic Gaming Monthly 🇺🇸 May 1991
Sega Visions 🇺🇸 Summer 1991
VideoGames & Computer Entertainment 🇺🇸 June 1991
Beep! MegaDrive 🇯🇵 July 1991
Mega Drive Fan 🇯🇵 July 1991
Features
Sega Visions 🇺🇸 Summer 1991
Beep! MegaDrive 🇯🇵 July 1991
Also includes an interview
Mega Play 🇺🇸 July/August 1991
Cheat codes and an infinite lives trick
Beep! MegaDrive 🇯🇵 August 1991
Guide to Labyrinth and Star Light Zone
Reader letters
Electronic Gaming Monthly 🇺🇸 November 1990
Pre-release letter featuring another early screenshot
Advertising
Print ad 🇬🇧 1991
Taken from issue 9 of Mean Machines (dated June 1991)
Print ad 🇯🇵 1991
Taken from Beep! MegaDrive' s July 1991 issue
Reviews
VideoGames & Computer Entertainment 🇺🇸 June 1991
Video Games 🇩🇪 June 7, 1991
Games-X 🇬🇧 June 27 - July 3, 1991
Frequently compares the game to Super Mario World
New Computer Express 🇬🇧 June 29, 1991
Mean Machines 🇬🇧 July 1991
Mega Play 🇺🇸 July/August 1991
Panel review
Electronic Gaming Monthly 🇺🇸 July 1991
Panel review
Joystick 🇫🇷 July/August 1991
Beep! MegaDrive 🇯🇵 August 1991
Panel review
Miscellaneous
Sega Players Enjoy Club 🇯🇵 November 1990
Feature about Dreams Come True & their involvement with the game's soundtrack
Sega Players Enjoy Club 🇯🇵 November 1990
Feature about Sonic as a character (featuring Dreams Come True)
GamePro 🇺🇸 June 1991
Announcement of a Sonic-related contest to win various Sonic/Sega prizes
Mean Machines 🇬🇧 July 1991
News item about Sega of America's efforts to block British wholesalers from importing and reselling American copies early
Forum posts Usenet References 
