Polymega is currently what looks to be an idea around putting all your retro gaming consoles in “one” system that will use hardware modules that will emulate the old systems on its new console hardware. Their are modules that support NES, SNES, Genesis, Neo Geo, Sega CD, and Playstation games. Not word about impending lawsuits are listed on Polymega’s FAQ however. Thanks to @Riccochet for the heads up!
POLYMEGA Element Modules provide you with an infinitely expandable library of classic game consoles in one tidy package that’s easy on the eyes. Just insert a module for a system you love, plug in a game and controllers and start playing using Hybrid Emulation technology. Supported Element Modules in the launch window will include NES, SNES, Genesis, TurboGrafx-16, and more.
It’s not an illusion. POLYMEGA features a built-in optical disc drive that can play your collection of classic disc-based games. Just insert a CD and start playing – no need for complicated configuration steps. It’s compatible with games for systems like PS1, TurboGrafx-CD, Sega CD, Neo Geo CD, and there’s more to come. So, why not invite some friends over to party like its[sic] 1999?
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Source: [H]ardOCP – Polymega Retro Gaming System