Sega Dreamcast

The Sega Dreamcast, launching in 1998, was technologically more advanced than the average console of its era, boasting a 200 MHz processor and the first built-in 56K modem for online play—features that presaged modern gaming by years. Despite its innovation, it sold only 9.13 million units, a stark 50% less than even #9 Game Boy's 118 million, leading to Sega's exit from hardware. Yet, its impact is undeniable: Shenmue pioneered open-world design, and Jet Set Radio's cel-shaded visuals were 60% more stylistically distinct than typical 3D games of the day. The VMU—a controller with a display—offered a unique 48x32-pixel screen for mini-games, a feature no competitor replicated. The Dreamcast's cult devotion persists, with over 200 titles and a legacy that outshines its commercial failure.