*Unelegant, nasty, does not actually fix the issue at hand. *Does not actually fix the issue at hand. *Sometimes, it won't even fix map leaks for some strange, arcane reason. *Did I mention it is not elegant? Cleanliness goes in hand with everything. Do the job right, or not at all. *Depending on map draw distance, effects, textures, fps optimizations, etc - Performance can be pretty good, or absolutely crap. Even a good PC will have issues with poor optimizations. --Brush cleanup is suggested. And or looking for the leak.