Find weapons and loot
Kill zombies
Escape alive
Kill zombies to spawn and kill boss. Reach the highest tower and press the button to drop the first wall.
The wall to the housing area has dropped find a key and press the button in the last house to drop the second wall.
Reach the top of the warehouse and use the key to open the door. Grab the intel and run out of town and blow up the bridge. Report in.