In Fast Fusion, players control vehicles equipped with antigravity hyper jump technology, allowing them to cut corners and gain an advantage by jumping and boosting over opponents. The gameplay emphasizes fast-paced action and strategic maneuvering.

The storyline of Fast Fusion revolves around a competitive racing league where players create and customize their own racing machines by fusing various vehicles, aiming to become the ultimate champion across diverse and visually striking environments.

Fast Fusion stands out with its unique vehicle fusion system, enabling players to create hundreds of custom racing machines, alongside immersive features like smooth motion controls and HD Rumble for an enhanced gaming experience.