Motor Mayhem is a game about a violent and futuristic motor-sport event. The player controls a customized combat vehicle in a land-based arena and battles against another player or computer-controlled opponents. Each vehicle has a character and special attacks. Themed arenas have additional weapons and upgrades for the vehicles to pick up. Points are awarded for destroying an enemy vehicle. The first contestant to achieve a target score, or that has the highest score when time expires, wins.
The gameplay is fast-paced and action-packed. The player must use their skills and special attacks to outmaneuver and destroy their opponents' vehicles. Upgrades and power-ups can be collected to improve the vehicle's performance. The game requires quick reflexes and strategic thinking to emerge victorious.