Zandronum

Zandronum is a multiplayer oriented port, based on Skulltag, for Doom and Doom II by id Software. Zandronum brings classic Doom into the 21st century, maintaining the essence of what has made Doom great for so many years and, at the same time, adding new features to modernize it, creating a fresh, fun new experience.

Supports modern versions of Windows, Mac OS X, and Linux. Support for many Doom engine based games including Heretic, Hexen, and Strife.