Here is a list we've compiled of all backrooms entities with the best video tutorials we could find on how to survive them. This list is displayed as columns, but you can view it as a table (checklist) and copy to check the entities you've survived. To change it, use the menu below this description (on desktop) or the top right corner (on mobile).
This list was an effort made to compile the best knowledge out there, with the best possible tool. All credit goes to the creators who have developed strategies to survive the monsters:
The Backrooms Unknown Nightmares Node Armstrong Quill Gods and Demons Wiki Broogli