Unreal Development Kit + PhysX = Destructible Environments
Here’s a test using recently made free to the public Unreal Development Kit with PhysX to make environments completely destructible:

Made by YouTube user raven6754.
Source: TechEBlog
Here’s a test using recently made free to the public Unreal Development Kit with PhysX to make environments completely destructible:

Made by YouTube user raven6754.
Source: TechEBlog
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