Fatal Floors Hammer Guide: How to Get, Use, and Build Defenses

The Hammer in FaultyMarkus Games' Roblox survival title Fatal Floors is a two-star utility tool designed to manipulate and clear tiles across the facility. Equipped with the ability to reposition objects inside your elevator or delete unwanted room structures, it serves as one of the most versatile items for barricading entities and collecting valuable resources.

Whether you spawn with it or purchase it between floors, knowing how to position barriers and interact with environmental tiles can prevent team wipes and streamline resource collection.

How to Get the Hammer in Fatal Floors

Players can acquire the Hammer through two primary methods during a run:

• The Builder Class: Selecting the Builder class in the lobby grants you one Hammer and two Storage Pots as starting inventory items at the start of Floor 1.
• The Elevator Upgrade Shop: Between floors, the Hammer can randomly appear in the Upgrade Shop rotation. Depending on the floor roll, it can appear as a free upgrade option during team votes, or as a paid tool costing 150 coins (150c).

If your team no longer needs the tool or requires emergency credits to meet the floor's Coin Meter quota, the Hammer can be placed in the Sell Bin for 15 coins. Dropping the Hammer out of bounds causes it to respawn on an item-generating tile on the map, or despawn if no valid tiles remain.

Hammer Controls and Placement Mechanics

Operating the Hammer requires holding the tool in your active hand slot and clicking an interactable tile within your line of sight. Notably, the selection range has no distance cutoff as long as unobstructed vision exists when clicking. Once selected, you can maintain interaction even if you break line of sight behind walls.

When a tile is selected, two UI options appear on screen:

• Move Tile: Selecting this creates a transparent preview of the tile directly in front of your character that only you can see. A green highlight indicates a valid placement location, while a red highlight indicates an invalid spot (accompanied by an error buzz sound). Tiles can only be placed inside the elevator cabin (including a second elevator floor if unlocked); they cannot be relocated to exterior floor sections. Swapping off the Hammer cancels the move action.
• Delete Tile: The red button permanently removes the selected tile from the map, playing an explosion sound effect. Most decorative and environmental tiles can be deleted, but essential functional machinery—specifically the Map Table and the Ore Seller bin—cannot be deleted.

Deleting containers interacts with their stored items differently. Removing a Storage Pot or a Giant Kiwi Nest causes the items inside to drop onto the floor rather than vanishing. Conversely, deleting a Planter or Pot containing a growing Carrot permanently deletes the Carrot.

Essential Defensive Strategies Using the Hammer

While the Hammer tooltip jokes "Hi I'm an a hammer," utilizing it for defensive building is a reliable way to stall aggressive entities like Weatherman, Cave-Crawlers, and Bone Hounds.

The Bookshelf V-Defense

When exploring Mansion or Facility sections containing tall bookshelf furniture, players can move these shelves into the elevator entrance to construct a funnel:

1. Target a tall bookshelf and select Move Tile.
2. Transport the shelf to the elevator threshold and angle it diagonally so the open clearance faces inward.
3. Bring a second bookshelf and align it diagonally opposite the first, creating a V-shaped barricade.
4. Leave a narrow center slit wide enough for a player model to slip through (often using first-person view) while preventing wide entity hitboxes from stepping past the threshold.

Pillar and Pipe Barricading

Pillars found throughout corridors can be lined up across the elevator doorway. A single-pillar variant setup requires up to four individual pillars placed in a row to close off the entrance. The double-pillar variant covers wider gaps with fewer placements. Placing these obstacles blocks monster pathfinding while giving players room to duck inside.

Clearing Thorns

Hallways infested with Thorns slow player movement and inflict damage over time. The Hammer can target Thorns clusters and delete them individually. While some Thorns bushes can eventually regrow, clearing congested narrow spaces or vents allows your team to sprint through safely without taking chip damage.

The Giant Kiwi Nest Hammer Trick

Giant Kiwis begin appearing on Floor 6 and higher, nesting with three Giant Eggs. Stealing an egg directly enrages the female bird, causing her to deal 30 HP damage per hit with high movement speed. The Hammer allows teams to secure all eggs without suffering an endless chase:

1. Locate the Giant Kiwi Nest during the bird's passive Calm Phase.
2. Select the nest with the Hammer and use Move Tile to bring the entire nest into the elevator cabin. The bird will follow or teleport with the nest if she is resting on it.
3. Keep the nest intact while players gather standard ores to satisfy the Coin Meter quota.
4. During the final seconds before Intermission triggers, click the nest and hit Delete Tile.
5. Deleting the nest drops all three Giant Eggs safely onto the elevator floor. Because the intermission begins immediately after, the Giant Kiwi despawns without remaining aggressive for future floors.

Do not delete the nest early during active exploration, as breaking her nest while stranded on the floor causes the Giant Kiwi to remain permanently hostile.

Achievements Requiring the Hammer

Two specific game badges require using the Hammer's relocation mechanic:

• Decorator: Unlocked by using the Hammer to move a decorative map tile—such as a naturally spawning Fountain—directly into the elevator.
• Bear5 Alert!!!: Unlocked by locating the Bear5 object in the Facility's Warehouse Room and using the Hammer to transport it into the elevator cabin.

Frequently Asked Questions

Can the Hammer place tiles anywhere outside the elevator?

No. The game restricts tile placement strictly to the inside of the elevator compartment. Tiles cannot be placed in hallways, rooms, or corridors.

Does deleting a Storage Pot delete the ores inside?

No. When a Storage Pot is deleted using the red Delete Tile button, any ores or tools stored inside will spill out and drop onto the ground where the pot stood.

Can the Hammer break glass windows in the Facility?

The standard Hammer is used for moving and deleting furniture, tiles, and bushes. Breaking glass windows specifically requires the Glass Breaker tool or walking through already shattered window corridors.