Some fixes added on to the previous beta fixed two levels not being playable due to shadow errors improved gun tutorial level fixed bug where doors that start open still block light ----- This update is on the beta branch To switch to the branch in the Steam client, right-click on the game on the library page and select "Properties". Among the available tabs will be the "BETAS" tab. The beta branch should be listed in the dropdown menu under "Select the beta you would like to opt into:"