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Unreal engine

Unreal Engine
UE Logo Black Centered.svg
Developer(s) Epic Games
Initial release July 1, 1998; 18 years ago (1998-07-01)
Stable release
4.14 / November 15, 2016; 2 months ago (2016-11-15)
Written in C++
Operating system Windows, OS X, Linux
Platform Windows, OS X, Linux, HTML5, iOS, Android, Nintendo Switch, PlayStation 3, PlayStation 4, Wii U, Xbox 360, Xbox One
Available in English, Korean, Chinese, Japanese
Type Game engine
License Free for academic, commercial, and personal use
Website www.unrealengine.com
Unreal Engine 1
Initial release Unreal build 100 / May 1998; 18 years ago (1998-05)
Stable release
Unreal Tournament build 436 / November 2000; 16 years ago (2000-11)
Written in C++ , UnrealScript, Assembly
Operating system Windows, Linux, OS X
Platform Windows, OS X, Linux, Dreamcast, PlayStation 2
License Proprietary
Website www.unrealengine.com
Unreal Engine 2
Initial release Unreal Warfare build 633 / January 2001; 16 years ago (2001-01)
Stable release
Unreal Engine 2.5 build 3369 / November 2005; 11 years ago (2005-11)
Written in C++ , UnrealScript
Operating system Windows, OS X, Linux
Platform Windows, OS X, Linux, iOS, Android, GameCube, PlayStation 2, Xbox
License Proprietary
Website www.unrealengine.com
Unreal Engine 3
Initial release Unreal Engine 3 build 100 / March 2004; 12 years ago (2004-03)
Stable release
Unreal Engine 3 build 12791.2424394 / February 2015; 1 year ago (2015-02)
Written in C++, C#, UnrealScript, GLSL,Cg,HLSL
Operating system Windows, OS X, Linux
Platform Windows, OS X, Linux, HTML5,Adobe Flash Player,iOS,Android,Windows RT,PlayStation 3, PlayStation Vita, Wii U, Xbox 360
License Proprietary
Website www.unrealengine.com
Unreal Development Kit
Initial release v5860.390428 / November 2009; 7 years ago (2009-11)
Stable release
v12791.2424394 / February 2015; 1 year ago (2015-02)
Written in C++, C#, UnrealScript, GLSL,Cg,HLSL
Operating system Windows
Platform Windows, OS X, Linux, iOS, Android
Type Level editor / Software development kit
License Free for noncommercial use
Website UDK website
UDN for UDK
Unreal Engine 4
Initial release Unreal Engine 4 build 8967 / May 2012; 4 years ago (2012-05)
Stable release
Unreal Engine 4.14 / November 15, 2016; 2 months ago (2016-11-15)
Written in C++, C#, GLSL, Cg, HLSL; UnrealScript removed
Operating system Windows, OS X, Linux
Platform Windows, OS X, Linux, HTML5,iOS, Android,Nintendo Switch,PlayStation 4, Xbox One
License Free to use, with access to source code; 5% of gross revenue after the first US$3,000 per product per quarter
Website www.unrealengine.com
UnrealScript
Paradigm Object-oriented, generic
Developer Tim Sweeney
First appeared 1998; 19 years ago (1998)
Typing discipline Static, strong, safe
OS Cross-platform (multi-platform)
Filename extensions .uc .uci .upkg
Website udn.epicgames.com
Influenced by
C++, Java

The Unreal Engine is a game engine developed by Epic Games, first showcased in the 1998 first-person shooter game Unreal. Although primarily developed for first-person shooters, it has been successfully used in a variety of other genres, including stealth, MMORPGs, and other RPGs. With its code written in C++, the Unreal Engine features a high degree of portability and is a tool used by many game developers today.

The current release is Unreal Engine 4, designed for Microsoft's DirectX 11 and 12 (for Microsoft Windows, Xbox One, Windows RT); GNM (for PlayStation 4); OpenGL (for macOS, Linux, iOS, Android, Ouya and Windows XP); Vulkan (for Android); Metal (for iOS); and JavaScript/WebGL (for HTML5 web browsers).

Making its debut in 1998 with Unreal, the first generation Unreal Engine integrated rendering, collision detection, AI, visibility, networking, scripting, and file system management into one complete engine. Unreal Engine 1 provided an advanced software rasterizer and a hardware-accelerated rendering path using the Glide API, specifically developed for 3dfx GPUs, and was updated for OpenGL and Direct3D. The release of Unreal Tournament marked great strides in both network performance and Direct3D and OpenGL support.


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