Micro Machines is an unlicensed NES racing game developed by Codemasters and published by Camerica in 1991. It is themed around Galoob's toys of the same name. Players engage in races across various environments, such as a pool table, work desks and tree houses on miniature racing cars, trucks or helicopters. It is notable for being among the best rated unlicensed NES titles during its lifespan.
In this TAS by Challenger and eien86, they abuse glitches with the race tracks' bounds as well as super boosts, clearing the game's challenge mode in record time. Please read the author's comments for more details.