UDK is Unreal Engine 3 – the complete professional development framework. All the tools you need to create great games, advanced visualizations and detailed 3D simulations. The best tools in the industry are in your hands.
UDK features UnrealScript, a fully integrated, high-level object-oriented programming language, and Unreal Kismet, an advanced visual scripting solution. These tools allow anyone to create powerful gameplay with virtually limitless control.