Roblox developer Gamefam and Sega are teaming up to create a unique Sonic the Hedgehog experience.

Players in the Sonic Speed Simulator on Roblox must keep raising their top speed to be the quickest in the game. To level up, they must gather resources like cash and orbs.

Sonic The Hedgehog is a massive hit on Roblox, and his game has seen an incredible 100,000 concurrent users in just two days.