The ultimate celebration of 20 years of Sonic games, Sonic Generations delivers the definitive gaming experience for Sonic fans, both new and old.

Sonic's world is thrown into chaos when a mysterious new power comes into play, creating "time holes" that transport Sonic and his friends back in time.

There, Sonic encounters some very familiar characters from his past, including a younger version of himself!

Now they must team up to defeat their enemies, save their friends, and find out who is behind this evil energy.

• Master the moves of each character as they race through each environment in specially designed stages.
• Iconic environments from gaming history come to life in stunning HD resolution for the ultimate Sonic adventure, recreated with amazing results.
• Play some of the most iconic environments from the game in an entirely new way, with familiar Sonic levels being presented in new stereoscopic 3D.
• After completing each level and "freeing" Sonic's captured friends, you can go back and take on more challenges with them by your side.
• Face some of the most notorious characters from Sonic's past as you fight for ultimate supremacy.
• Master the iconic spin-dash move of Classic Sonic and use the "Sonic Boost" of Modern Sonic as you complete all-new stages.
• Featuring new and exclusive environments for Nintendo 3DS, including a "special stage" that cannot be missed.
• Each includes two stages - one for Classic Sonic and one for Modern Sonic - designed to showcase the unique features of each Sonic.
• Challenge your friends and earn valuable status points.
• Collect new content and unlock it, increasing variety, interaction, and replayability.