[1][2] Plans for a SNES version later evolved into a companion game, Speed Racer in My Most Dangerous Adventures.
Players can also purchase and upgrade the Mach 5's special functions to gain advantages over the opponents.
The Challenge of Racer X originally began development for the Sega Genesis and the Super Nintendo Entertainment System and several advertisements for such versions have surfaced.
[1] Speed Racer played a major role in the development of Windows 95 for compatibility to DOS games.
The magazine concluded that despite "being built on a solid idea ... it was very easy to park this game in the lot of disappointments".