Wargus is a Warcraft2 Mod that allows you to play Warcraft2 with the Stratagus engine. The game looks and sounds exactly like Warcraft2. The gameplay is very close to Warcraft2's gameplay, with slight enhancements towards Starcraft. You can find more details on Wargus and on how to install it under Linux, Windows and Mac at http://wargus.github.io.
Status of latest builds: