Sonic the Hedgehog different media including animation, comic books, and a Hollywood film. The first "Sonic" game, "Sonic the Hedgehog", is a platform game released in 1991. Players control the anthropomorphic blue hedgehog Sonic, who can run and jump at high speeds using springs, ramps, and loops. Sonic must stop Dr. Robotnik from taking over the world using the Chaos Emeralds. "Sonic the Hedgehog 2" (1992) increased the overall size and speed of the series' gameplay and was the second best-selling Genesis game. It introduced Sonic's sidekick and best friend, Miles "Tails" Prower, who followed Sonic throughout the game, and allowed a second
Sonic the Hedgehog the exclusivity agreement. At the end of 2014, Sonic also returned as a fighter in both installments of "Super Smash Bros. for Nintendo 3DS and Wii U". Sonic was added as a playable character in the Lego video game, "Lego Dimensions", in November 2016; he is distributed via a "Level Pack" that includes an additional Sonic the Hedgehog-themed level and vehicles. Two "Sonic" games were revealed at the Sonic 25th Anniversary Event during San Diego Comic-Con 2016. The first game was "Sonic Mania", which emulates the gameplay and visuals of the original Sega Genesis games, and was released in August