Backrooms

Entities → Hounds — dog-like creatures that hunt by sound, Facelings — human-shaped beings with no face, usually harmless unless provoked, Smilers — glowing eyes and a grin hiding in dark areas, Skin-Stealers — creatures that wear human skin as a disguise, Deathmoths — giant aggressive moths, Partygoers — yellow smiling entities that try to turn people into more Partygoers, Party Poopers — enemies of Partygoers that help survivors, Clumps — masses of human limbs fused together, Dullers — pale humanoids with reduced intelligence, Wretches — former humans driven insane by the Backrooms, Frowners — tall entities with a permanent frown that avoid light, Crawlers — fast crawling creatures found in dark levels, Skin Givers — deceptive beings that ask for your skin, Death Rats — aggressive mutated rats, Transporters — entities that move between levels rapidly, Bursters — creatures that burst from walls or surfaces, Insanities — people whose minds have been altered by the Backrooms, Memory Worms — parasites that affect memories, Watchers — entities that observe wanderers from a distance, The Thing on Level 7 — a giant sea monster inhabiting Level 7, The Beast of Level 5 — a mysterious creature rumored to roam the Hotel, Window Entities — shadowy figures seen through windows, Jerry — a blue macaw-like creature worshipped by some wanderers, Wranglers — large spider-like predators, Death Angels — huge bat-like creatures that hunt using sound, Lighters — floating entities that emit light, and Shoppers — strange beings often found in mall-themed levels. The levels → Level 0 (The Lobby), Level 1 (Habitable Zone), Level 2 (Pipe Dreams), Level 3 (Electrical Station), Level 4 (Abandoned Office), Level 5 (The Hotel), Level 6 (Lights Out), Level 7 (Thalassophobia), Level 8 (Cave System), Level 9 (Darkened Suburbs), Level 10 (The Bumper Crop), (plus more and I have settled the levels in the settings so don't worry)