Project Unity is a project to build one system with many game consoles inside. The system will have 20 game consoles, but only one power supply, one video output and one game controller.
At the moment the following game consoles are integrated: Amiga CD32, Sega SMS, Nintendo NES, Mattel Intellivision, Nintendo GameCube, Philips CDi, and Playstation 2.
And there are plans to include the following systems: SNK NeoGeo, Sega MegaDrive, Amstrad GX4000, Nintendo 64, Sega Saturn, Sega DreamCast, ColecoVision, Nintendo SNES, NEC TurboGrafx/PC Engine, Atari 7800 and the Atari Jaguar.