Street Supremacy , a handheld take on the Tokyo Xtreme Racer series, brings racing action to 15 different courses set in the streets of Tokyo. Players can customize their high-end model cars with options ranging from engine tweaks to muffler adjustments.
The main mode of gameplay is Team Rumble, where players join a clique and compete in a series of events to earn territory control. By draining rival racers' Spirit Points, players can recruit them to their clique. Additionally, players face off against each other in ranking battles, with the ultimate goal of becoming team leader.
Other game modes include Time-Attack, where players must complete a race within a set time limit, and online multiplayer through Ad-Hoc capabilities.