(Sonic eXtended Genesis) is a long-running fan game project designed as a "classic-style" sequel to Sonic the Hedgehog 3 & Knuckles
Downloading Sonic X on Android
As of 2024, the iteration teased in 2021 was scrapped in favor of a new direction codenamed "Forever". This version is being developed using GameMaker Studio 2 in collaboration with fan game circle Ultra Ring. sonic xg android download 2021