Steam app 2234150 · updated 12 Sep 2026, 19:56 UTC
A terrifying multiplayer horror experience with social deduction elements. Trapped in the Backrooms, up to 12 players must try to work together to survive and expose the shapeshifting Skin Stealer hiding among them before it’s too late. Who will you trust?
718 hourly samples, with the daily peak drawn over them. Weekends are shaded.
44 months, February 2023 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 435 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 283 hourly samples. Each dip is a night. Weekends are shaded.
BACKROOMS: APPREHENSION was released on 14 Aug, 2025.
Includes violence and blood.
| Language | Full audio |
|---|---|
| English | ● |
| Italian | |
| Spanish - Spain | |
| Japanese | |
| Korean | |
| Simplified Chinese | |
| Russian |
A blank audio cell means full audio was not marked in the returned language list.
16 achievements in total.
31 developer announcements, Feb 2023 to May 2026 · times in UTC
- Added Motion Blur and Head Bob options to the settings menu - Slightly reduced evolved Skin Stealer armor effectiveness
Patch notesPOOLROOMS EXPANSIONThe Poolrooms map has been expanded with many new areas, making it larger, more varied, and more dangerous.To celebrate, BACKROOMS: APPREHENSION is currently part of a Steam Daily Deal with a limited-time discount!See you…
DMNTThis update brings a major rework to the Threshold escape system, a new weapon, achievements, voice chat improvements, and important backend changes.THRESHOLD REWORKIn order to activate the Threshold and escape, players must now find the…
DMNTSKINSTEALER EVOLUTION SYSTEMAll Skinstealers now spawn in a smaller form, they are weaker but also very fast.After consuming enough bio-samples or corpses they can evolve into the big bulky form we all know.Before this update, the…
DMNTWelcome to the Grassrooms! This brand new map offers beautiful lit areas as well as creepy dark corridors!Please keep in mind that this is the first iteration, many changes will follow based on your feedback.- Dan
DMNT- Added option for the match host to kick/ban players - Added option to choose between random or grouped spawn locations
Patch notesAfter almost two years of updates I am happy to announce that Backrooms: Apprehension has finally left early access! So, what happens now? Don't worry, I will keep supporting the game and adding content as I have always done but I feel like…
DMNTThe Poolrooms is a brand new map for you all to enjoy!Please keep in mind that this is the first iteration, many changes will probably follow based on your feedback.
DMNTNEW SKIN STEALER ATTACK Skin Stealers can now LUNGE at enemies by holding the left mouse button, this new attack does a lot of damage and can also be used to evade bad situations. SKIN STEALER BALANCE CHANGES Previously if a Skin Stealer…
DMNTTHRESHOLD OVERHAUL + NEW "REAL WORLD" AREA The escape mechanic has been completely remade. In order to escape you will now have to find a Threshold Keycard and use it to request an extraction, the portal will open allowing you to reach the…
DMNTLANGUAGES The game now supports five new languages: Italian, Spanish, Simplified Chinese, Korean and Japanese. INVENTORY AND AMMO Each weapon now uses its own ammo type. A new inventory system has been added that allows players to drop ammo…
Heisenraptor DesignsTHRESHOLD ESCAPE Once the research is completed, the quarantine will be lifted, and the Threshold can be used to escape. The more survivors escape, the more points they earn. However, if a vaccine is not developed and even one infected…
Heisenraptor DesignsANALYZER, VACCINES & BIO SAMPLES The Analyzer is a machine that the scientists can use to develop a vaccine for the Skin Stealer infection by analyzing the new Bio Samples. The more the scientists work together, the faster they will be able…
Heisenraptor DesignsEGGS & RESPAWNING Eggs will now spawn around the map, the humans must work together to destroy them before they can hatch more Skin Stealers. Skin Stealers will defend their eggs as they allow them to respawn. Dead humans will also respawn…
Heisenraptor DesignsMAP CHANGES The map has been updated with new areas as well as changes to existing ones. PROXIMITY VOICE CHAT AND AUDIO IMPROVEMENTS Sound effects, including voice chat, now get muffled when going through walls. The range of voice chat and…
Heisenraptor DesignsNEW WEAPON: SMG The submachine gun is the first automatic weapon in the game, it is perfect for spraying down multiple targets! SELF SCAN You can now use the scanner on yourself by pressing the right mouse button. I'm sure this small change…
Heisenraptor DesignsEXPANDED MAP The map has been expanded with new areas. DISGUISE AND INFECTION CHANGES The Skin Stealer's disguise decays much slower. Biomass bins give more health and disguise to the Skin Stealer. Humans who consume infected painkillers…
Heisenraptor DesignsMULTIPLE SKIN STEALERS This much anticipated feature is finally here! There can now be multiple Skin Stealers hunting around at the same time. INFECTION If a scientist consumes painkillers that have been infected by the Skin Stealer they…
Heisenraptor DesignsHey everyone, this is the first half of a major update I've been working on for a while, here's what's new: FIRST PERSON OVERHAUL The first person element of the game has been completely remade; moving, jumping, holding and using…
Heisenraptor DesignsCHANGELOG - Increased loot rarity - Added button to toggle voice chat in the lobby screen - Fixed lighting pop-in issues - Fixed minor bugs As always, I hope to see you all ingame, leave your feedback or report bugs and glitches on the…
Heisenraptor DesignsNEW MAP I've read a lot of your guys' feedback and it was apparent that the previous map was way too big, players had trouble finding each other, especially in smaller lobbies, it was also too bright. This new map addresses all those…
Heisenraptor DesignsChangelog: - Added support for private lobbies - Added settings to reduce or disable gore - Fixed minor bugs
Heisenraptor DesignsChangelog: - A new area has been added to the map - Fixed a bug that wouldn't allow dead players to spectate
Heisenraptor DesignsNEW SCORE SYSTEM Scientists gain points by surviving the round, killing the Skin Stealer gives them extra points while killing innocent players makes them lose points. The Skin Stealer gains points by winning the round. This system will be…
Heisenraptor DesignsNEW USER INTERFACE The user interface has been redesigned to be less cluttery SKIN STEALER CHANGES - Skin Stealer can now die in its human form - Disguise lasts much longer - New Biomass system acts like armor - Biomass can be replenished…
Heisenraptor DesignsChangelog: - Items can now be dropped by looking down and pressing G - Skin Stealer can infect pills - Scanning human Scientists may give wrong results if they have consumed sabotaged pills - Adjusted loot cases and loot carts spawn rates…
Heisenraptor DesignsChangelog: - The map has been remade with much better lighting - Sanity now affects ambient brightness - Changed how the item carts spawn - Ceiling lights now flicker randomly - Added fog - Film grain effect is now much more subtle - Bug…
Heisenraptor DesignsNEW ITEM: SCANNER The Scanner is a rare but very important item that you can find in crates, it allows you to scan the Scientists and determine who the Skin Stealer is. CHANGELOG: - Added Scanner - Dead Scientists now drop their weapon…
Heisenraptor DesignsHey everyone, this huge update changes MANY things, here's the changelog: SEAMLESS TRANSFORMATION Transforming now feels much more responsive, no more stopping for a split second, you keep the momentum. New better blood effects. Fixed FPS…
Heisenraptor DesignsIncreased Scientist stamina regeneration rate Decreased Scientist stamina drain rate Fixed a bug that would keep sending everyone back to the lobby Fixed some minor bugs
Patch notesImproved lobby system Raised the health of Skin Stealer from 100 to 500, not a one hit kill anymore Skin Stealer can regain health by absorbing dead Scientists Fixed some bugs
Patch notesWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | Backrooms.exe | windows 64 |
It runs on public data and somebody's spare time.
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