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Since 2015, it can be downloaded for free, with its source code available on a GitHub private repository. The latest generation is Unreal Engine 4, which was launched in 2014 under a subscription model. Written in C++, the Unreal Engine features a high degree of portability, supporting a wide range of desktop, mobile, console and virtual reality platforms. Initially developed for PC first-person shooters, it has since been used in a variety of genres of three-dimensional (3D) games and has seen adoption by other industries, most notably the film and television industry. Unreal Engine is a game engine developed by Epic Games, first showcased in the 1998 first-person shooter game Unreal. Source-available commercial software with royalty model for commercial use
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