UnrealScript

UnrealScript, also known as UScript, is the high-level scripting language available in all games using the Unreal Engine. It is based upon many of the same philosophies of Java while maintaining some of the constructs of C++, as well as introducing some of its own.

Additional Information
For more information on UnrealScript and how to use it, please visit UnrealWiki's UnrealScript page.