Bethesda sues Warner Bros. for ripping off Fallout Shelter with Westworld mobile game (updated)

Bethesda Softworks is always trigger-happy with the lawsuits, and this time the company is suing Warner Bros. and developer Behaviour Interactive over the release of the Westworld mobile game, alleging it is a “blatant rip-off” of Fallout Shelter.

Bethesda Softworks filed the lawsuit in U.S. District Court in Maryland alleging that Westworld, which was released on Thursday on iOS and Android, used the same “game design, art style, animations, features and other gameplay elements” as Fallout Shelter.

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Dean Takahashi

Dean Takahashi is editorial director for GamesBeat. He has been a tech journalist since 1988, and he has covered games as a beat since 1996. He was lead writer for GamesBeat at VentureBeat from 2008 to April 2025. Prior to that, he wrote for the San Jose Mercury News, the Red Herring, the Wall Street Journal, the Los Angeles Times, and the Dallas Times-Herald. He is the author of two books, "Opening the Xbox" and "The Xbox 360 Uncloaked." He organizes the annual GamesBeat Next, GamesBeat Summit and GamesBeat Insider Series: Hollywood and Games conferences and is a frequent speaker at gaming and tech events. He lives in the San Francisco Bay Area.