Warcraft III: Reign of Chaos (War3 or WC3 or RoC) is a real-time
strategy computer game released by Blizzard Entertainment in July 2002.
It is the second sequel to Warcraft: Orcs & Humans, and it is the
third game set in the Warcraft Universe. An expansion pack, The Frozen
Throne, was released in 2003.
Warcraft III contains four playable races: Humans and Orcs, which
had previously appeared in Warcraft: Orcs & Humans and Warcraft II:
Tides of Darkness, and the Night Elves and Undead, which are new to the
Warcraft mythos. Warcraft III's single-player campaign is laid out
similarly to that of StarCraft, being told through all four of the
game's races in a progressive manner. Multiplayer mode allows for play
against other people, via the internet, instead of playing against
computer-controlled characters as is done in the single-player custom