Like Sprint and Leland's Super Off Road, the player has the option to spend money earned on upgrades for their cars after a race, such as a shield, high-grip tires as well as nitrous—which can be used as a weapon as explained below.
Rough Riders | Rough Trade Records | Speed Racer | Ottawa Rough Riders | racer | Gravity racer | Tokyo Xtreme Racer 3 | Rough Wooing | Rough Collie | Ridge Racer 7 | Rough Science | Rough River Lake | Cosmic Rough Riders | Rough Riders (film) | Rough Guides | Rough and Ready | Northern Rough-winged Swallow | Black Racer | Alan Rough | The Racer's Group | Star Racer | Rough Ride | Rough Mix | ''Rough Diamond'' | rough collie | Metropolis Street Racer | Wild Things: Diamonds in the Rough | Treat 'Em Rough | Tokyo Xtreme Racer: Drift 2 | Tokyo Xtreme Racer |