The changes for this version of the map include:

• Majorly overhauled the pit area to look and play better.
  
• Added new objectives.
  
• Added glow to pretty much all the light sources in the map.
  
• Added some new ambient and tension music.
  
  
• Increased the amount of weapons that spawn in the pit overall.
  
• Improved zombie navigation over some props.
  
• Improved some of the objective logic.
  
• Adjusted a bunch of ammo spawns across the map.
  
• Adjusted the elevator levers to be much easier to interact with.
  
• Changed the fog to fade away more smoothly in the skybox.
  
• Changed some of the objective names and outlines.
  
• Changed the spawn location of the chainsaw.
  
• Removed some player clips
  
  
• Fixed a case where one of the fire extinguishers was spawning when not needed.
  
• Fixed missing sound and soundscape entities in some places.
  
• Fixed a missing clip on one of the carts.
  
• Fixed the weapons in the generator room being hard to pick up.
  
• Fixed the possibilty of a zombie grabbing you through a certain door.
  
• Fixed a bug that allowed the lever in the first elevator to be pulled before the elevator stopped.
  
• Fixed the fade to black at the end of both extractions, which was turning off too early.

The changes for this version of the map include:

• Overhauled the surface section.
  
• Greatly optimized the map by using areaportals.
  
• Added and improved numerous zombie spawns to make the map more challenging.
  
• Tweaked some post processing effects.
  
• Fixed and added some decals.

The changes for this version of the map include:

• Added physics clips to a bunch of places to prevent objective items from getting stuck.
  
• Did some minor tweaks to the second floor of the surface building.
  
• Adjusted some of the player clip brushes.
  
• Adjusted a few equipment spawns.
  
• Slightly improved zombie navigation in some areas.
  
• Changed some of the objective names.
  
• Better blocked off some of the areas that players can't access.
  
• Fixed multiple bugs related to players and zombies getting stuck and preventing the elevators from moving.
  
• Fixed a bunch of decals from not appearing in game.
  
• Fixed multiple floating props.
  
• Fixed items not being able to be picked up while under some detail props.