Duke Nukem 3D: Megaton Edition now has cross-platform multiplayer versus and co-op modes for up to 8 players.
The multiplayer maps not only include the original maps but also HUNDREDS of the best user maps through Steam Workshop.
AND – the game is 60% off on Steam right now: http://store.steampowered.com/app/225140/
The warlocks of Devolver Digital have partnered with legendary studio 3D Realms and Singapore-based indie developer General Arcade to launch Duke Nukem 3D: Megaton Edition on Steam. The explosive collection includes the seminal first-person shooter Duke Nukem 3D and three wildly themed expansion packs – Duke Caribbean: Life’s a Beach, Duke: Nuclear Winter, and Duke It Out in D.C. – each with polished OpenGL visuals, SteamPlay support for PC and Mac, Steam achievements, and Steam Cloud support.