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’s fracture tool makes it possible to create remarkably interactive, deformable worlds. Easily craft all types of destructible environments and objects that break apart just as you would expect them to in real life.
Splinter walls and floors layer by layer. Blow apart rocky structures chunk by chunk. Add cool physics elements and particle effects. UDK gives you total control over destruction.
Oh gawd:3
LOL :D