Sonic Speed Simulator for Roblox adds new characters every other update, and Knuckles the Echidna wraps up the classic character roster nicely.

Naturally, this power extends to Shadow as well, so you'll be able to run beyond the speed of sound as his golden self in Sonic Speed Simulator on Roblox too, in a limited-time event.

How to get Knuckles in Sonic Speed Simulator To get to Emerald Hill, first off, you need to complete the second zone, Lost Valley obby that’s located in Green Hill Zone.