The Frozen Throne is a real-time strategy computer game developed for Microsoft Windows, Mac OS and Mac OS X by Blizzard Entertainment; it can be played also on Linux systems by using Wine or Cedega. It is the official expansion pack to Warcraft III: Reign of Chaos, requiring the ownership of Reign of Chaos to play. Released in stores worldwide in multiple languages beginning on July 1, 2003, it includes an additional hero for each race and two to three new units per race, four campaigns, a new neutral race (the Naga), five neutral heroes (an additional neutral hero was added April 2004 and two more were added in 
August 2004), the ability to build a shop and various other improvements such as the ability to queue upgrades. Sea units were reintroduced; they had been present in Warcraft II but were absent in Reign of Chaos. Blizzard Entertainment regularly releases patches for the game to fix bugs, add new features, and balance multiplayer play.
System Requirements
OS : WIndows XP, Windows 7
400 MHz Pentium II or Equivalent
128 MB of RAM
8 MB 3D Video card TNT, i810, Voodoo 3, Rage 128 equivalent or better directX 8.1 support
700 MB HD space
4X CD-ROM  drive  

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