- Added few seconds of spawn grace time
- Added valve decal to show open position
- Added missing light sprites
- Added parachute details to extraction
- Improved dynamic difficulty logic
- Slightly moved plane seats to give more space
- Removed final hatch damage to players
- Changed kid spawn chance back to default
- Fixed faulty player push
- Fixed code exploit

Version 3:
+ Added more zombies at ending
+ Fixed dynamic difficulty system at ending
+ Fixed children massive spawn bug
+ Fixed critical ending exploit
+ Fixed minor prop locations
+ Fixed skybox bug

From v1 to v2:
+ Improved optimization in general
+ Improved code text visibility
+ Added variable rumble sound
+ Reduced FPS drops
+ Removed server command message
+ Fixed critical bugs related to zombie spawn at ending
+ Fixed several exploits
+ Fixed blocking doors
+ Fixed missing glow in key objective
+ Fixed wind interaction with weapons
+ Fixed minor visual bug

From BETA to V1:
+ Added credits text
+ Added dynamic difficulty system
+ Increased ending difficulty
+ Changed some decoration
+ Fixed critical exploit to hide welder
+ Fixed missing padlock glow
+ Fixed final door bug
+ Fixed welder text
+ Fixed minor details