Sonic Dash Engine Plus LEGACY is a game on the Roblox platform developed by Sonic and Goku are cool Studio. It is a free game in the Games category, specifically under the Utilities subcategory.

This version of the Dash Engine is touted as the best version yet, revolutionizing the Dash Engine experience. The game credits the creator, level designer, and builder, as well as play testers for their contributions. The game features a logo by Blue overun, level design by S_G, sonic prime textures by SND, and animations by RedX. The engine itself was created by Juan/Simon.

In terms of controls, players can use Shift to boost, P for shadow with ##### rings, r for super, e and q for quickstep, and F to stomp. Sonic Dash Engine Plus LEGACY promises an enhanced and immersive gameplay experience for fans of the Dash Engine series.