| Initial release | Unreal build 100 / May 1998 |
|---|---|
| Stable release | Unreal Tournament build 436
/ November 2000 |
| Written in | C++, UnrealScript, Assembly[1] |
| Platform | Microsoft Windows, Linux, Mac OS and OS X, Dreamcast, PlayStation 2 |
| Successor | Unreal Engine 2 |
| License | Proprietary |
Unreal Engine 1 (UE1, originally just Unreal Engine) is the first version of the Unreal Engine series of game engines. It was initially developed in 1995 by Epic Games founder Tim Sweeney for Unreal. Epic Games later began to license the engine to other game development studios. It was succeeded by Unreal Engine 2.
- ^ Edwards, Benj (25 May 2009). "From The Past To The Future: Tim Sweeney Talks". Gamasutra. UBM plc. Retrieved 8 February 2015.