Japanese video game series Sonic the Hedgehog - history

The Sonic the Hedgehog video game series, created by Sega, is one of the most famous and successful in the world. Since its debut in 1991, Sonic has captured the hearts of millions of players thanks to its dynamic gameplay, charismatic main character, and vibrant visual effects. But why has the Sonic game series become so popular? What is the history of this game series and its impact on the gaming industry?