ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,436, issued on Nov. 18, was assigned to Zynga Inc. (San Francisco).

"Game definition file" was invented by Luke Dicken (San Francisco), Johnathan Pagnutti (San Francisco) and Yang Wen (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "A client device receives compiled software for a game engine. The game engine is for playing a designated game. The client device receives a game definition file for the designated game. The game definition file stores rules for the designated game. The game definition file defines the rules using non-compiled machine-readable code. The client device executes the game engine at the client device to enable pl...