Too Long; Didn't Read
The <a href="https://www.unrealengine.com/" target="_blank">Unreal Engine</a> is a game engine developed by <a href="http://en.wikipedia.org/wiki/Epic_Games" title="Epic Games" target="_blank">Epic Games</a>, first showcased in the 1998 first-person shooter game <em>Unreal</em>. Although primarily developed for first-person shooters, it has been successfully used in a variety of other genres, including stealth, MMORPGs, and other RPGs.