The story of Sega Dreamcast System revolves around a young scientist who creates a machine that can manipulate time. However, the machine malfunctions and causes chaos throughout the city. The player must navigate through different levels, solving puzzles and avoiding obstacles to stop the chaos and repair the machine.
The gameplay of Sega Dreamcast System is primarily focused on puzzle-solving and platforming. The player controls the scientist as they move through levels, collecting items and interacting with objects in the environment. The game features a variety of mini-games and challenges that test the player's skills and problem-solving abilities.
The Sega Dreamcast System was released on September 1999 in North America, and later in Europe and Japan.