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There were two official expansion packs released for Quake: Scourge of Armagon and Dissolution of Eternity. An unofficial third expansion pack, Abyss of Pandemonium, was developed by the Impel Development Team, published by Perfect Publishing, and released on April 14, 1998. An authorized expansion pack, Q!ZONE was developed and published by WizardWorks, and released in 1996. An authorized level editor, Deathmatch Maker was developed by Virtus Corporation and published by Macmillan Digital Publishing in 1997.
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