To make it short for summary: The development of Territory has been paused until further notice.
What is UDK?
UnrealTechnology wrote: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.
Who is it for?
UnrealTechnology wrote:Anyone. Everyone. You. Unreal Engine 3 has been used by game developers, researchers, television studios, machinima directors, artists and students. If you have an idea that needs to be brought to life in a game engine, UDK is for you.
UnrealTechnology wrote:Only UDK has the power, flexibility and track record of Unreal Engine 3. These tools have been proven with countless releases and dozens of awards. There is no better way to make awesome games than with UE3.