Bethesda initially said Behaviour's Westworld mobile video game was a "blatant ripoff" of Fallout Shelter. What the details of that settlement are nearly certainly will never be known, but it's likely safe to say that it netted Bethesda a certain amount of money or a percentage of sales from the Westworld Mobile app. That would mean any re-use of that code for Warner Brothers is a violation of that contract and an infringement of Bethesda's intellectual property per the terms of that contract. Entertainment over the Westworld mobile game has been settled. While Warner Bros. Entertainment goes unmentioned in the update, the conclusive tone seems to indicate that the publisher was indeed included in the resolution.
While nothing else has been confirmed, it's likely that the matter was resolved with a financial settlement.
You may remember that in June a year ago, Bethesda filed a lawsuit against Behaviour Interactive and Warner Bros. over the new Westworld mobile game.
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Shortly afterwards, a fight ensued between guard Garrett Temple and forward Omri Casspi and the two players had to be separated. Casspi and Temple both are in their first seasons with the Grizzlies.
One of the main focal points of these claims was that a glitch existed in Fallout Shelter that was reproducible in the exact same way in Westworld mobile. These can be seen in the gameplay, underground facilities, and 2D cartoon characters set in a 3D environment. However, Behaviour Interactive was confident that no code from Fallout Shelter was used in their newer game that nonetheless shares several thematic elements.
At the moment, Westworld is still available on the App Store for iOS devices and the Google Play Store for Android devices.