Fatal Floors entities are the primary obstacles in FaultyMarkus Games' Roblox survival extraction game. Each creature features distinct danger ratings, audio cues, and pathfinding patterns that dictate whether players should sneak past, sprint away, or trap them behind hallway gates.
Understanding how each monster behaves and where it begins appearing is the only reliable way to complete deeper runs and meet floor quotas safely.
Fatal Floors Entity Spawn Rates by Floor
Floors 1 through 8 follow a structured entity spawn table based on Danger Levels (Level 1 to Level 4). Higher floors introduce multiple threats per layout.
| Floor | Level 1 (Blob) | Level 2 (Stinger) | Level 3 (Weatherman) | Level 4 (Cave-Crawler / Kiwi / Hound) | Total Entities |
|---|---|---|---|---|---|
| Floor 1 | 1 | 0 | 0 | 0 | 1 |
| Floor 2 | 0 | 1 | 0 | 0 | 1 |
| Floor 3 | 1 | 1 | 0 | 0 | 2 |
| Floor 4 | 1 | 0 | 1 | 0 | 2 |
| Floor 5 | 1 | 1 | 1 | 0 | 3 |
| Floor 6 | 1 | 1 | 0 | 1 | 3 |
| Floor 7 | 1 | 0 | 1 | 1 | 3 |
| Floor 8 | 0–1 | 0–1 | 1 | 1 | 3 |
Starting from Floor 11 and above, duplicate versions of the same creature can generate in identical wings. The Giant Kiwi and Bone Hound are excluded from this duplication rule.
Every Entity in Fatal Floors Explained
Each creature requires a distinct response. Misidentifying an entity or reacting with the wrong evasion strategy quickly results in wasted revives.
The Blob
The Blob is a Danger Level 1 entity that functions primarily as a physical road hazard. Lore logs identify it as a failed fusion experiment kept in facility vats that escaped during the facility evacuation.
The Blob moves very slowly along hallway centers while screaming in pain. Touching its body inflicts continuous damage over time. However, players can safely bypass the Blob by jumping directly onto its exposed rib cage teeth. Stepping squarely on the ribs deals zero damage. You also unlock the Gross Remains badge by getting close or jumping across its frame.
The Stinger
The Stinger is a stationary ceiling entity with a Danger Level 2 rating, introduced to punish players who neglect vertical awareness.
The Stinger does not wander hallway paths. Instead, it hangs overhead and waits for an explorer to step directly underneath while it is awake. Walking below an active Stinger inflicts immediate damage and applies a two-second slowness debuff. After attacking, the Stinger falls asleep for a brief cooldown period. Players can bypass it by waiting for its sleep cycle or by tightly hugging the hallway walls. Passing near it grants the Look Up badge.
The Weatherman
The Weatherman is a Danger Level 3 security robot equipped with a television monitor for a head. Nicknamed by employees who used it to display weather broadcasts, surviving units wander the dark halls scanning for trespassers lacking security badges.
The Weatherman operates under three clear behavioral states:
- Passive Roaming: The robot walks along center path nodes back and forth. Players can walk right past it in the dark without triggering aggro, provided they do not make physical contact with its chassis.
- Observing Mode: The Weatherman stops moving, emits a distinct beeping sound, and rotates its TV screen displaying a large central eye. If a player enters its direct line of sight, it pauses for roughly half a second before initiating a pursuit.
- Aggressive Chase: The screen shifts to multiple eyes as the machine emits loud whimpering screams. It accelerates to match the player's sprint speed.
The Weatherman cannot enter ventilation shafts. If spotted, break line of sight immediately and hide behind corners, storage shelves, or closed doors. The robot gives up its chase after four continuous seconds without visual contact. Encountering the Weatherman awards the Caught in 4k badge.
The Cave-Crawler
The Cave-Crawler is a Danger Level 4 arachnid-like organism discovered deep within the mines. While originally docile toward staff, starvation drove the species aggressive during the evacuation event.
The Cave-Crawler walks silently compared to the metallic Weatherman, though subtle crawling audio cues indicate its presence. When it spots a player, it locks into a three-second stare-down before beginning its pursuit. Players should use those initial three seconds to put distance between themselves and the creature.
The longer a Cave-Crawler chases a target, the faster it becomes. Players can reset its aggression by cutting tight corners to break line of sight, hiding inside tall green thorn bushes, or honking a Go-Kart horn to frighten it away. Shutting a metal gate or mansion door directly in its face causes the crawler to enter a depressed state, freezing in place with its head aimed downward. Encountering this beast unlocks the Open Wide badge.
The Giant Kiwi
The Giant Kiwi is a neutral Danger Level 4 avian native to the valley outside the facility. Female kiwis are fiercely protective of their nests and will remain calm unless provoked.
The Kiwi stays near its nest and produces audible chirping sounds across the map. It does not attack players on sight. However, stealing an egg immediately enrages the mother bird. Once hostile, the Kiwi moves slightly faster than a sprinting player and inflicts heavy damage.
To collect eggs safely, players coordinate with teammates to lure the bird away or relocate the nest using a builder's hammer. The bird only ceases its chase when it can pathfind back to its nest or when players seal themselves behind reinforced gates. Successfully taking eggs contributes toward the Protective, Risky Business, and Perfect Heist badges.
The Bone Hound
The Bone Hound, often referred to by players as "the dog," is the most lethal entity in Fatal Floors. Carrying a Danger Level 4 to 5 rating, the creature begins appearing between floors 6 and 9. When one is present, the game flashes a screen-wide warning: "Warning, dangerous entity detected."
The Bone Hound kills players almost instantly upon physical contact. It produces distinct sniffing and deep barking sounds that can be heard within roughly 20 to 30 studs. Unlike the Weatherman, the Bone Hound does not possess an idle wandering state where it ignores nearby explorers; whenever it is awake, it is actively predatory.
Survival revolves entirely around the Bone Hound's sleep mechanic. The beast sleeps frequently, taking roughly 20-second naps after roaming or claiming a victim. Players must only navigate through its territory while it is fully asleep.
Teams dealing with an active hound rely on specific distraction tactics:
- Aggro Stun Counter: A designated runner draws the hound's attention toward narrow ventilation shafts, metal pipes, or dense bookshelves where the large model gets temporarily caught.
- Wasteland Trap Counter: A runner lures the hound deep into a cleared hallway wing that contains no remaining ores, then slips through an escape route and slams the wing gate shut to permanently isolate the beast.
Encountering the hound unlocks the Prey badge, while interacting with it during its nap awards the secret badge He Doesn't Bite.
Note on Thorns
During early versions of Fatal Floors, Thorns were tracked as an entity. Following the Hazard Update, Thorns are officially classified as an environmental tile hazard rather than a creature. They spread across hallway floors as green briar patches, reducing player jump height, slowing walking speeds, and inflicting steady poison damage upon contact.
Entity Pathfinding and Evasion Mechanics
Understanding how entity pathfinding operates allows solo players and squads to navigate chaotic floor layouts efficiently.
Waypoint Pathing vs. Direct Pursuit
When entities are calm, they follow invisible node paths mapped through the center of hallways. They do not hug walls during passive patrols.
Once an entity detects a player, its standard node pathing deactivates. The AI switches to a direct line-of-sight chase vector toward the player's last seen coordinate. Because chase AI attempts to take the most direct path possible, entities frequently get caught against doorframes, corners, and partition walls, giving alert players plenty of time to break away.
Utilizing Wing Gates and Glass Upgrades
Every main elevator hub features gate controls for each cardinal direction (North, South, East, West). Closing gates cuts off access routes entirely. Entities cannot open closed gates.
Purchasing the Glass Gate upgrade during voting phases allows players to inspect what lurks behind closed doors before opening them. This prevents blind encounters with roaming Weathermen or aggressive Bone Hounds waiting directly on the other side of an entrance.
Frequently Asked Questions
Can you kill or eliminate entities in Fatal Floors?
No. Entities cannot be damaged, killed, or permanently destroyed by player weapons or tools. The only defensive options available are evasion, line-of-sight manipulation, Go-Kart horn stuns against Cave-Crawlers, and locking creatures inside deserted wings using gate buttons.
Do Revivor items work during solo runs?
No. Revivors require an active teammate to pick up your detached player head and apply the revive tool. If you die to an entity while playing alone, carrying a Revivor in your backpack will not save you, and the run will immediately reset to Floor 0. Solo players should sell Revivors at the elevator bin for extra currency rather than holding onto them.
What is the best way to detect entities early?
Wearing stereo headphones is the most effective way to identify nearby threats. The Weatherman produces distinct metallic clanking and scanning beeps, the Giant Kiwi emits global cries, the Blob groans continuously, the Cave-Crawler makes faint skittering footsteps, and the Bone Hound produces audible sniffing and growling within 30 studs. Paying attention to these cues lets you close gates before entering dangerous corridors.
