Hydro Thunder is a racing game developed for the Sega Dreamcast where players control advanced speedboats in various challenging environments. Races take place in diverse locations such as the icy Arctic and a submerged, dystopian New York City. The game emphasizes high-speed action and incorporates power-ups and shortcuts to enhance gameplay experiences.
The gameplay of Hydro Thunder consists of racing high-tech speedboats through treacherous environments, from the cold seas of the Arctic Circle, to a post-apocalyptic, flooded version of New York City.