Initial exterior area where the player fights some basic. zombies. The starting elevator is visible on the left.
A cramped, cluttered attic that the player is forced to crawl through. Includes a jump scare where a zombie breaks through a crate directly in front of the player.
The player drops into a warehouse full of fast headcrabs.
A small alley alcove where the player fights a poison zombie.
Another warehouse where the player must use some careful physics to ascend broken staircases.
The player drops into a lot where headcrab cannisters open one by one.
Another building on the way to the train station finale.
