Sonic The Hedgehog: The Time Adventure

This game is about Dr. Robotnik(Dr. Eggman)'s greatest and latest machine that can teleport you into different places at any time, but an unknown error happened too the machine and it makes you go through the space time continum into different timelines, and it's up too you too try to save everyone from being stuck into a different timeline! (Luckily there's no blackholes, or you'd be dead)