https://www.gamespot.com/articles/bethesda-sues-over-westworld-mobile-game-report/1100-6459972/

Warner Bros. recently launched Westworld, a new mobile game based on the hit HBO series. Billed as an "innovative mobile simulation game," it bears a resemblance to elements of Bethesda's Fallout Shelter, in that you build and expand an underground facility. But the free-to-play title apparently goes too far with that apparent inspiration, as developer Behaviour Interactive has been accused of reusing code that it developed for Shelter.