Originally Posted by Michael_Russell
Short answer: Yes, but you'd probably run into entity limits long before you ran out of geometry, and the time to compile the map would probably be measured in days.
yeah, but you can have a destroyable envrioment and make certain areas inexessable all of the time, allowing you to clean up enties.
this trick is used in HL2:ep1 by closing off places to backtrack, thus making the player unafraid to go forward and allowing for things to get cleaned up.
you could also be smart with the AI and make them chase the player/have choppers pick them up and try to head them off, all sorts of things.
it could be done, but you have to be smart with the limits, I think.