Hello!
I finished a thing: free game called Monoyellow Madness. It is niche horror/suspense walking simulator inspired by Backrooms lore, so it probably won’t be for everyone.
You find yourself in weird pocket dimension and travel while reality slowly degrades around you. Can you survive and escape Backrooms? Game includes procedurally generated levels, Entity that stalks you and theme of change – for the worse.
Look here for more details, screenshots and download: link.
Hopefully you will enjoy it. Any feedback is appreciated.
Source: itch.io