Added subtle reverb to the lower levels
Added the ability to wipe blood in certain areas
Added 2 new paint types, unlocked via a floppy disk found in the lower levels
Added 1 new lower-level corridor variation
Changed the font of numbers in inventory slots to improve readability
Fixed an issue where rotating the camera could cause the held item to be dropped
Fixed achievements for completing the game on Medium and Hard difficulties that could fail to unlock in certain situations
Fixed the remaining uses display in a slot persisting after the item was dropped
Fixed zombies not making sound when hitting breakable obstacles
Source: Steam Community (opens in a new tab)