-Added auto save system
-Complete overhaul of all lighting, shadows and reflections, new ambient occlusion and more, much higher quality and sharper.
-Redid some areas to be more clear where to go, removed a lot of text dialogue to keep it more "immersive" (Only most necessary ones kept, such as hints and objectives or flavor text)
-Rebalanced some fights, added/removed some enemies, items and weapons to better suit the flow of Half-Life 2 combat
-Added soft dim lights and decals/details to important things to help guide players to where they need to go better. (Like weapons, doors, vents etc)
-Made the crowbar necessary to get at start to open main gate (somehow some people missed it... oops!)
-Some small optimizations
-Reduced zombies for final escape fight
-Fixed possible audio issues (too many ambient generics, silly 2014 ethosaur...)
-Changed some text dialogues (Simplifying them and also changed text to not include stuff like "we" for parts (as its singleplayer, not coop like it was for gmod)
-Tried adding extra
-Updated fog for whole map and added new radial fog from new anniversary update.
-Added node graph file. (No more "Node Graph Out Of Date") When loading map now.