Grand Prix Circuit is a racing video game developed by Distinctive Software and published by Accolade for MS-DOS compatible operating systems in 1988. It was ported to the Amiga, Amstrad CPC, Apple IIGS, Commodore 64, and ZX Spectrum.

Mario and Luigi, the best plumbers in the world, have a real job on their hands. A host of characters have taken over the sewers, and the brothers must clear them out of the pipes. The platform puzzle which first introduced Luigi to the world has both single and multiplayer action with two differing game types, but with the same …