Where to get Knuckles In order to get the Knuckles card in Sonic Speed Simulator, you will have to head to Emerald Hill. At the top of the hill, the card is available to pick up.

Knuckles the Echidna is a great friend to Sonic the Hedgehog, and he appears as a playable character in a variety of the best Sonic games.

An update to the officially licensed Sonic Roblox game, Sonic Speed Simulator, will add a highly anticipated character in a new event.

Earlier today Sega announced a partnership with Gamefam to bring Sonic to Roblox in the brand-new game, Sonic Speed Simulator.