Hydro Thunder is a racing game based on Midway's arcade boat-racer, where you simply rev up the engines and compete on various water courses set in different locations around the world. The courses include Antarctica, the far east, and the Greek isles, among others.
The gameplay involves racing through 13 courses using futuristic boats, with scattered power-ups and upgrades such as nitro boosters to help you gain an advantage. The game features realistic graphics with reflective water effects and bouncing/bucking in the boats, making for a thrilling experience.