SEGA might not have been the first developer that thought Sonic should go fast on a hoverboard.

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Unseen64, on the Did You Know Gaming? YouTube channel , has unveiled Sonic Extreme, a canceled project predating the somewhat similar Sonic Riders . Developer Vision Scape Interactive created the prototype for the futuristic sports game, in which the Blue Blur and Shadow the Hedgehog skate around a level based on Green Hill Zone.Vision Scape was known for the games SeaBlade on Xbox and Tech Deck: Bare Knuckle Grind for PC. The San Diego company also worked with SEGA on the cinematics for Sonic Heroes.That inspired Vision Scape to come up with Sonic Extreme. The prototype for the hoverboarding game features a single-player mission mode and local co-op for combat and racing.However, SEGA apparently went quiet after Vision Scape submitted design documents for proceeding with Sonic Extreme.When Sonic Riders was released several years later, Vision Scape reportedly inquired about legal action, though the developer signed an NDA while working on Sonic Heroes for SEGA meaning anything created during that time with the Sonic property legally belonged to SEGA.You can watch footage of the game, and hear Unseen64's extensive investigation on YouTube The Sonic Rider series was last seen in 2010 with the Kinect game Sonic Free Riders. SEGA is releasing two new games in the franchise this year: 2D throwback Sonic Mania and 3D action game, Sonic Forces.

Evan Campbell is a freelance writer who scripts the Daily Fix , streams games on his Twitch channel , and chats about movies and TV series on Twitter