Sonic Speed Simulator is celebrating Sonic and Shadow's 33rd/23rd anniversaries with the Birthday Bash Event, and players are busy collecting all the cool items it has to offer.

Don't get confused between these two skins in the game (Image via Roblox) It is easy to confuse this skin with the Armored Metal Sonic variant due to their similar appearance.

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