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.
McLaren developed the MP4/11 and 11B into the MP4/12, adding a second brake pedal that the driver could switch to act on the inside rear wheel when turning, virtually eliminating understeer and reducing wheelspin.
If not for engine failures from the Mercedes-Benz FO 110F NA V10, McLaren would have challenged for both titles, but as things ended up they finished fourth in the constructors championship with three wins.
The McLaren MP4-12 was included as historic content in Automobilista 2: