Premise: Curse, Inc. . Curse has several primary functions , the most notable of which include an add-on and modification service called Curse Client for such games as World of Warcraft , Rift , The Elder Scrolls V : Skyrim , Terraria , Kerbal Space Program , and Minecraft , a collection of over 1000 gaming wikis known as Gamepedia , and a Voice over IP ( VoIP ) service called Curse Voice .
Hypothesis: Curse, Inc. is used by the game World of Warcraft.
Label: ENTAILMENT