The demo version of Warcraft III: Reign of Chaos features a five-mission Orc campaign called Exodus of the Horde of which only the first two tutorial missions are included in the retail version of the game. The campaign tells the story of Thrall's adventures as he leads the Orcish Horde away from Lordaeron across the Great Sea to the land of Kalimdor. It also includes three bonus multiplayer maps for the retail version.
The Warcraft III demo was released both as an Internet download and on CD. The CD version included cinematics and voice acting, while the internet version omits those to reduce the download file size.
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