Ever since it was freely released to the masses, possibilities for everyone to create their games - among other things - suddenly arose. Most probably, some of your favorite games were built through this tool. Game engines vary wildly from one game to another, but most are proprietary and thus, unusable by the public. Games have been getting increasingly complex over the years, and so have the tools used to make them. There's also support for OpenColorIO for accurate color calibration, and Beta support for multi-GPU rendering, together with easier multi-camera configuration. Applications that use multi-display rendering, including in‑camera VFX, are now much easier to set up, with a 3D Config Editor and consolidated access to all nDisplay-related features and settings in a single UAsset.