Also known as: ソニック_×_シャドウ_ジェネレーションズ, ソニックシャドウG, SonicXShadowGenerations
A remaster and companion game release of the console/PC version of Sonic Generations developed by Sonic Team, featuring additional new content with Shadow The Hedgehog as a playable character. The re-release version contains a new campaign called "Shadow Generations", centering on Shadow as he must stop Black Doom from taking over the world, as well as new features to Sonic Generations.