
Along the way, they fight familiar foes, including their rivals Metal Sonic, Shadow, and Silver.Ĭlassic Sonic's gameplay takes heavily from the Sega Genesis installments of the series: 2❝ gameplay with a focus on momentum-based platforming and maintaining a top speed by taking the optimal route through the stages. Both Modern and Classic must team up to stop this mysterious enemy, rescue their friends, restore color to the world, and fix the timeline.

They both discover that the world is losing its color, their friends have been petrified, and disruptions in the timeline have caused places from their past to be frozen in time. The story is that Modern Sonic and his friends are celebrating his birthday when the "Time Eater", a mysterious new enemy, crashes the party and sends them back to the past, where Sonic meets his younger self, Classic Sonic.

The HD version, subtitled "White Time-Space" in Japan, is the main version of the game, while the 3DS version, subtitled "Blue Adventure" in Japan, is a Reformulated Game with some aspects unique to it. Sonic Generations is a main series title in the Sonic franchise, released in 2011 for the PlayStation 3, Xbox 360, the PC (via Steam), and the Nintendo 3DS to commemorate Sonic's 20th anniversary.
