However, the studio had already signed a non-disclosure agreement during the development of Sonic Heroes. With the obvious similarities, Vision Scape reportedly inquired about taking legal action. Rather than the open world style of Sonic Extreme, Riders took on a more competitive racing design. While Sega declined the pitch, Sonic would finally appear on a hoverboard years later in Sonic Riders. Single players could enjoy a mission mode, while two players could enjoy local multiplayer in the combat or racing modes. The prototype featured three different modes. After the company was hired to work on the cutscenes in Sonic Heroes, they created a demo of Sonic Extreme using the same engine from Bare Knuckle Grind.

Vision Scape’s early work includes SeaBlade on Xbox and Tech Deck: Bare Knuckle Grind for PC. Just like Tony Hawk’s Pro Skater series, Sonic Extreme focuses on performing tricks on various half-pipes and grind rails. In the early build, Sonic and friends would skate around on hoverboards in an open world level inspired by the iconic Green Hill Zone.

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