An expansion is additional software (usually made available for retail sale) that adds new content and features to a game.

The content of an expansion is usually not available to anyone who does not own the expansion. Most expansions will not install or run as stand-alone products.

For example, the Frozen Throne expansion for Warcraft III added new campaigns, units, maps, and other content to the game.


It was stated on an interview before the first expansion (possibly by Rob Pardo) that "We have made concepts for this expansion, and we already have enough ideas for 5-6 more".

Blizzard has stated it plans to release one expansion per year for World of Warcraft. Yet development of new expansions does seem to take significantly longer.

There is an entry for popular ideas about future expansions.

See also

WC2BnE logo 16x42.png Warcraft II: Tides of Darkness expansions
  • Warcraft II: Beyond the Dark Portal (first expansion)
WC3RoC logo 16x32.png Warcraft III: Reign of Chaos expansions
  • Warcraft III: The Frozen Throne (first expansion)
WoW Icon 16x16.gif World of Warcraft expansions
  • World of Warcraft: The Burning Crusade (first expansion)
  • World of Warcraft: Wrath of the Lich King (second expansion)
  • World of Warcraft: Cataclysm (third expansion)
  • World of Warcraft: Mists of Pandaria (fourth expansion)

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