Asobo, known today as the Microsoft Flight Simulator developer, created groundbreaking technology for large scale maps that was intended to be used in a high quality rally raid title. It was never released and ended up as FUEL, a post-apocalyptic open-world racing game. What happened?
Better known today as the developer of Skyrim and Fallout, Bethesda once had a well-respected racing game franchise and were deep into development of a licensed Skip Barber Racing title that never released.
rF2 is a racing simulator initially developed by Image Space Inc. and released in 2013. rFactor 2 is designed to simulate any type of multi-wheeled vehicle of any era and features an advanced physics, suspension, and tire model.
In September 2016, the developers announced a partnership with Dutch software company Luminis with the goal of bringing new features to the software. Studio 397 took over development and shifted focus from it being a modding platform to one that released licensed first-party content. Image Space Inc. is no longer involved with development.