While not as fully destructible as Bad Company 2 , Battlefield 3 offered "micro-destruction." Walls crumbled, cover was destroyed, and environments changed dynamically during the fight.
Despite the compression, the underlying game remained one of the most influential shooters of its era: Frostbite 2 Engine Battlefield.3-Black.Box
The team employed a technique known as using proprietary scripts and FreeArc compression (a tool superior to WinRAR or 7-Zip at the time). While not as fully destructible as Bad Company