In Fast RMX, players control anti-gravity vehicles, racing through a variety of tracks while mastering mechanics such as boosting and phase switching to gain an edge over opponents. The game supports both local splitscreen multiplayer and online play, allowing for competitive racing with friends or players worldwide.

The storyline of Fast RMX is minimal, focusing primarily on the thrill of racing through diverse environments, including jungles, deserts, and futuristic cities, as players aim to become legends in the racing circuit.

Fast RMX stands out with its stunning visuals, delivering 60 frames per second in 1080p, and features a unique HERO MODE that introduces new rules and challenges, enhancing the gameplay experience.