Turbo

Based on the 1981 Sega coin-op of the same name, Turbo is one of those prototypes that everyone was sure existed somewhere (it was shown at the 1983 CES once), but never seemed to show up. Thankfully all this changed when former Atari 2600 programmer Anthony Henderson happened to stumble across his long lost copy of Turbo while searching his attic. According the programmer, Coleco originally wanted the game to use paddle controllers in order to better simulate a steering wheel. However reading the input from paddle controllers takes up considerably more clock cycles than reading regular joysticks, and there was not enough time to animate the road edges. After pleading with Coleco, they were…