Mass physics demonstration I rendered in the UDK, simulating 25,000 barrels stacked around a pillar 15,000 feet high, and then group by group falling to the ground. I accomplished this by using the UDK to construct the setup and then running the benchmark shortcut command to render the scene.
![UDK Mass physics](https://cdn-ak-scissors.b.st-hatena.com/image/square/668e52b59e2ec0d0959f1b40fbb9bc52acb48e99/height=288;version=1;width=512/https%3A%2F%2Fi.ytimg.com%2Fvi%2FB7_rPDwSKe8%2Fhqdefault.jpg)