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Steam app 2541890 · updated 12 Sep 2026, 23:54 UTC

Abnormality

Explore haunted locations, collect paranormal evidence, and survive the revenge of the former residents still haunting them. Team up with up to 3 friends to figure out the ghost, however, what begins as an investigation quickly turns into a desperate struggle to stay alive.

Abnormality Steam header artwork
Nightmare StudiosNightmare Studios
4playing now
2824-hour peak
123all-time peak
7average, last 30 days

The last 30 days

−0.1Gain−1.61%% gain28Peak

275 hourly samples, with the daily peak drawn over them. Weekends are shaded.

0815233014 Aug19 Aug24 Aug29 Aug03 Sep08 SepFriday 14 August 202619 peakSaturday 15 August 202615 peakSunday 16 August 202617 peakMonday 17 August 202623 peakTuesday 18 August 202613 peakWednesday 19 August 202618 peakThursday 20 August 202612 peakFriday 21 August 202614 peakSaturday 22 August 20267 peakSunday 23 August 202613 peakMonday 24 August 20267 peakTuesday 25 August 202612 peakWednesday 26 August 20266 peakThursday 27 August 20264 peakFriday 28 August 202612 peakSaturday 29 August 202614 peakSunday 30 August 202620 peakMonday 31 August 202611 peakTuesday 01 September 202628 peakWednesday 02 September 202619 peakThursday 03 September 202613 peakFriday 04 September 202617 peakSaturday 05 September 202615 peakSunday 06 September 202619 peakMonday 07 September 202616 peakTuesday 08 September 202615 peakWednesday 09 September 202623 peakThursday 10 September 202627 peakFriday 11 September 202620 peakSaturday 12 September 202628 peak
Daily peakEvery hourly sample

All time

24 months, October 2024 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.

03366100133Oct 2024Feb 2025Jun 2025Oct 2025Feb 2026Jun 2026October 202428 monthly peakNovember 202426 monthly peakDecember 202413 monthly peakJanuary 20254 monthly peakFebruary 20255 monthly peakMarch 20252 monthly peakApril 20250 monthly peakMay 20251 monthly peakJune 20251 monthly peakJuly 202515 monthly peakAugust 20252 monthly peakSeptember 20254 monthly peakOctober 20259 monthly peakNovember 202518 monthly peakDecember 202516 monthly peakJanuary 202618 monthly peakFebruary 202630 monthly peakMarch 2026123 monthly peakApril 202653 monthly peakMay 202633 monthly peakJune 202618 monthly peakJuly 202620 monthly peakAugust 202635 monthly peakSeptember 202628 monthly peak
Monthly peak

The last four months

Show:

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.

09192838July 2026August 2026September 2026October 2026July 202620 peak — daily detail belowAugust 202635 peak — hourly detail belowSeptember 202628 peak — hourly detail below
Monthly peakHas finer data

July 2026

30 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.

0511162201 Jul07 Jul12 Jul17 Jul22 Jul27 JulWednesday 01 July 20267 peakThursday 02 July 20267 peakSaturday 04 July 20269 peakSunday 05 July 202619 peakMonday 06 July 202614 peakTuesday 07 July 20267 peakWednesday 08 July 202610 peakThursday 09 July 202611 peakFriday 10 July 202611 peakSaturday 11 July 20269 peakSunday 12 July 202611 peakMonday 13 July 202612 peakTuesday 14 July 202610 peakWednesday 15 July 202612 peakThursday 16 July 202613 peakFriday 17 July 20266 peakSaturday 18 July 202615 peakSunday 19 July 202614 peakMonday 20 July 20267 peakTuesday 21 July 202611 peakWednesday 22 July 20266 peakThursday 23 July 20267 peakFriday 24 July 202612 peakSaturday 25 July 20269 peakSunday 26 July 202620 peakMonday 27 July 202612 peakTuesday 28 July 202616 peakWednesday 29 July 202611 peakThursday 30 July 202614 peakFriday 31 July 20269 peak

August 2026

31 days as the curve, each the highest figure that day. Behind it, 122 hourly samples from 14 Aug, which is as far back as the source keeps every hour. Weekends are shaded.

0919283801 Aug06 Aug11 Aug16 Aug21 Aug26 Aug31 AugSaturday 01 August 202616 peakSunday 02 August 202617 peakMonday 03 August 202614 peakTuesday 04 August 202615 peakWednesday 05 August 202614 peakThursday 06 August 20269 peakFriday 07 August 202612 peakSaturday 08 August 202620 peakSunday 09 August 202635 peakMonday 10 August 202625 peakTuesday 11 August 202623 peakWednesday 12 August 202617 peakThursday 13 August 202618 peakFriday 14 August 202619 peakSaturday 15 August 202615 peakSunday 16 August 202617 peakMonday 17 August 202623 peakTuesday 18 August 202613 peakWednesday 19 August 202618 peakThursday 20 August 202612 peakFriday 21 August 202614 peakSaturday 22 August 20267 peakSunday 23 August 202613 peakMonday 24 August 20267 peakTuesday 25 August 202612 peakWednesday 26 August 20266 peakThursday 27 August 20264 peakFriday 28 August 202612 peakSaturday 29 August 202614 peakSunday 30 August 202620 peakMonday 31 August 202611 peak

September 2026

12 days as the curve, each the highest figure that day. Behind it, 153 hourly samples. Each dip is a night. Weekends are shaded.

0815233001 Sep03 Sep05 Sep07 Sep09 Sep11 SepTuesday 01 September 202628 peakWednesday 02 September 202619 peakThursday 03 September 202613 peakFriday 04 September 202617 peakSaturday 05 September 202615 peakSunday 06 September 202619 peakMonday 07 September 202616 peakTuesday 08 September 202615 peakWednesday 09 September 202623 peakThursday 10 September 202627 peakFriday 11 September 202620 peakSaturday 12 September 202628 peak

October 2026

Abnormality was released on 28 Oct, 2024.

Not out yet.There is nothing to draw for this month.
Nothing here is interpolated or estimated; where a sample is missing the line is broken.

Game information

Updated 12 Sep 2026, 23:54 UTC
App ID
2541890
Last updated
11 Sep 2026 build 25242173
Developer
Nightmare Studios
Publisher
Nightmare Studios
Release date
28 Oct, 2024
Platforms
Windows
Download size
18.80 GB
Install size
19.60 GB
Genres
Action, Indie, Early Access
Game modes
Single-player, Multi-player, Co-op, Online Co-op
Controller support
Unknown
Early Access
Listed in Early Access
Achievements
10

Features & support

Steam features

Steam Achievements#category_playable_at_your_own_paceStatsSteam LeaderboardsFamily Sharing

Controllers & input

Accessibility

Camera ComfortColor AlternativesAdjustable DifficultyPlayable without Timed InputStereo Sound

Popular tags

Early AccessHorrorMultiplayerPsychological HorrorSupernaturalExplorationFirst-PersonCo-opImmersive SimInvestigationPuzzleAtmosphericDemonsMysteryTutorial3DDetectiveDialogue HeavyActionThriller
About this gameFull description from Steam
Abnormality is a realistic co-op ghost-hunting horror game where you investigate locations, gather evidence, identify the ghost, and survive the hunt. Unlike slower ghost-hunting games, Abnormality lets you actually sprint, allowing for real chases where movement, awareness, and quick decisions matter. When darkness takes over, night vision becomes your last resort. INVESTIGATION A classic ghost-hunting experience featuring 30 different ghost types, each with their own behaviours, personality, known traits, and hidden traits. Ghosts vary in speed, hunt duration, aggression, and more, meaning no two investigations feel exactly the same. Figure out the ghost type, survive the hunt, and make it out alive. EXORCISM MODE (COMING SOON) A sequel to Investigation, where you enter after previous investigators have already identified the haunting. Set in the same locations, but far more terrifying, this intense gamemode is not for the weak. Exorcise the ghost by uncovering its trauma, learning why it will not let go, and pray you do not get a demon. THIEF MODE & SURVIVAL MODE (TBA) More gamemodes are planned, including Thief Mode and Survival Mode. Create a character that feels personal with detailed customization options including appearance, body features, skin tone, clothing, and more. You can also customize your lobby. Horror is the heart of Abnormality. Ghosts are highly active, intense, and unpredictable, with different traits that make each encounter feel terrifying in its own way. Expect jumpscares, screen shake, being dragged away from your friends, and even possession mechanics planned for the future. The game is dark, set in creepy environments, and audio has been a major focus to make every moment feel more immersive and disturbing. Investigate a variety of haunted locations, including houses, a manor, a chapel, a motel, and maps that change the flow of gameplay, such as a location consumed by a blizzard. Each location also contains hidden story elements that reveal why the ghost exists and what happened before you arrived. Use the ghost-hunting tools players know and love, alongside new additions designed to make every investigation more immersive and intense. Investigate by day. Survive the night.
Content & age ratings2 regional ratings

Regional ratings

DEJUS14Violência · Medo
IGRS18Interaksi Daring · Horor · Kekerasan
System requirementsMinimum and recommended hardware

Minimum

Minimum: OS: Windows 10 (64-BIT Required) Processor: Intel Core i5-7400 or AMD Ryzen 3 1200 Memory: NaN MB RAM Graphics: NVIDIA GeForce GTX 1050 or AMD Radeon RX 560 Storage: NaN MB available space

Recommended

Recommended: OS: Windows 10 (64-BIT Required) Processor: Intel Core i5-9400F or AMD Ryzen 5 3500 Memory: NaN MB RAM Graphics: NVIDIA GeForce RTX 2060 or AMD Radeon RX 5700 Storage: NaN MB available space
Supported languages13 languages
LanguageFull audio
English●
German
Spanish - Spain
Simplified Chinese
Japanese
Portuguese - Brazil
Russian
Spanish - Latin America
French
Korean
Polish
Traditional Chinese
Turkish

A blank audio cell means full audio was not marked in the returned language list.

Screenshots & trailersScreenshots and trailers

Trailers

AchievementsTotal count and selected achievements

10 achievements in total.

Show selected achievements (may contain spoilers)
Show Me The WayAchievement
The Power Compels YouAchievement
Joining The Other SideAchievement
Must Be A SpeedrunAchievement
Ghost HunterAchievement
Perfect RunAchievement
In Too DeepAchievement
Halfway to InsanityAchievement
Eternal InvestigatorAchievement
We don't talk about itAchievement

View all Steam achievements

50 developer announcements, Feb 2026 to Sep 2026 · times in UTC

September

  1. v0.14.3.1

    Bug Fixes Fixed a bug where the candle wouldn't light Fixed a bug where hiding closets could get you killed Fixed certain teleportation issues with the ghost Misc Disabled the XP Event

    Patch notes
  2. Hotfix

    - Fixed duplicated items in Willow - Fixed stuttering animations on higher ping

    Patch notes
  3. Holyvale Manor & Polishing | v.14.3.0

    AddedBrand-new hand animations for every item. See the before vs. after for an example!Added an item-swapping animation when switching between itemsHolyvale Manor is now backYou can now hold RMB to bring the camera closer to your face…

    RodRuss

August

  1. DOUBLE MONEY & XP | Abnormality In-Game Event

    Until right over the weekend, there will be a double money + XP event in Abnormality. Good luck getting that extra cash & xp :)Cheers, Patrick

    RodRuss
  2. Fixed 3 FPS on Load-In

    There was an issue affecting a handful of players where they could not play the game after loading into a map, however, this has now been resolved.

    Patch notes
  3. Languages, CCTV & Camera Update | v0.14.1.0

    Added6 new languagesFrenchKoreanTurkishSpanish (Latin America)PolishTraditional ChineseBrand new ghost orbs ImprovementsYou can now get more than 1 thing in frame within the camera and get paid out by it all. For example ghost orbs + the…

    RodRuss
  4. Night Vision & Old Map Back + More | v0.14.0.0

    AddedAdded a brand-new lobby that you can purchase and unlock through the tablet.The old Willow Creek has been reintroduced as a new mapNightvision is now back, and you can equip it instead of using a headlamp. ImprovementsAdjusted the…

    RodRuss
  5. v0.13.1.2

    Bug Fixes Fixed some general bug fixes across the board. Fixed a duplication bug with the loadout I'm currently working on Abnoramlity's Exorcism Mode + investigating the issue where some PC's have 3 FPS which is why I haven't been posting…

    Patch notes
  6. v0.13.1.1

    Improvements Adjusted the height of the camera in your hand Made the item swapping animation quicker Bug Fixes Fixed a bug related to ghost orbs Fixed a bug where you could not pick up several lobby customization items after placing them…

    Patch notes
  7. Hiding & Communtiy Feedback | v0.13.1.0

    AddedFirst interactable lobby item, the drum kits are back! Will be adding more over timeAdded the hiding closets back in the locations.Second cursed item: Black Candle - Read up what it does on the wiki within the laptop! Network…

    RodRuss
  8. Invisible Models On Maps Fixed - Hotpatch

    The issues with models being invisible on maps for certain graphics cards and/or playing as a client should now be fixed. Thanks to everyone who reported.

    Patch notes
  9. Custom Difficulties & Summoning Circle | v13.0.0

    AddedCustom Difficulty - you can now fully customize the games to your likingDiffernet looks of the handprintsFirst cursed item in the game, the ritual circle to start a possessed hunt in the locations (located where each individual got…

    RodRuss
  10. v0.12.4.0

    Improvements You can now enable/disable electronic devices that's already on the ground with the activate button keybind (Default LMB) Added a popup message when the category you're adding items to is full (for clarity) Higher quality…

    Patch notes
  11. Improved Voicechat & Quality of Life | v0.12.3.0

    Thank you to all of you who have been playing over the last few days, it really means a lot. I'm doing all I can to add the feedback you guys are giving me, and I've been posting daily updates since :)-PatrickAddedIn the pause menu, you can…

    RodRuss
  12. Easier Hiding - v0.12.2.0

    Added Setting to change between Push To Talk & Open Microphone Improvements Changed the look of the CCTV cameras If your preset is missing items, you’ll be prompted with a popup to buy remaining items with a click of a button before it’s…

    Patch notes
  13. v0.12.1.0

    Added Added back text to speech, default keybind is N. Bug Fixes Fixed a bug where you could not see ghost writing & orbs through the CCTV camera Fixed items falling through objects in the tutorial. Fixed laser grid not showing if it's not…

    Patch notes
  14. 10 New Ghosts, New Equipment, New Evidence & Progression | Major Update

    Change Log v0.12.0.0 AddedItems now preserve their exact state when dropped, thrown, or switched between slots. A burning smudge stick keeps burning. A spirit box mid-response keeps talking. A lit candle stays lit.Localization - You can now…

    RodRuss

June

  1. An Update Preview | Abnormality

    ⚠️ DISCLAIMER: Everything shown in this preview is work in progress. Features, visuals, and systems may change before release.The biggest update to Abnormality is on its way, and I want to show you what's coming.This isn't a small patch.…

    RodRuss

May

  1. Welcome, New Investigators

    Welcome, new investigators.With a lot of ghost hunting fans looking for something new right now, I wanted to quickly reintroduce Abnormality.Abnormality is a co-op ghost hunting horror game focused on abandoned locations, evidence…

    RodRuss

April

  1. DOUBLE MONEY & XP | Abnormality In-Game Event

    Until right over the weekend, there will be a double money + XP event in Abnormality. The easter event is over.Good luck getting that extra cash & xp :)Cheers, Patrick

    RodRuss
  2. Easter Event Bug Fix

    I've fixed a bug where easter eggs wouldn't spawn in for clients

    Patch notes
  3. Unholy Egg Hunt | Easter Event 2026 - Abnormality

    Welcome to Unholy Egg Hunt – Easter Event 2026Eggs are now hidden across all locations. Your objective is simple: find them, carry them outside, and place them in the main basket.To actually keep the eggs, you must finish the contract…

    RodRuss

March

  1. v0.11.1.0

    Improvements The player voice chat now has a more natural attentuation to the proximity Slightly adjusted ghost speeds so they are 100% accurate across all descriptions Balancing Increased the range of the crucifix when held in hands. Bug…

    Patch notes
  2. Ghost Backstory, Smudge, Fahrenheit & Overall Improvements | 0.11.0.0

    Added Added ghost backstory. At the start of each map, you now get brief information about the ghost haunting the location.A setting for reading temperatures in fahrenheit. Ghost Speed/Difficulty Rework Polished ghost speed overall.Removed…

    RodRuss
  3. Quick Update: Tutorial & Major Bug Fixes | v0.10.1.0

    Improvements Improved the opening tutorial to make it easier to understandAdded tutorial notifications throughout to help prevent players from getting stuckImproved the voice recongition of spirit box Balancing Adjusted the frequency of…

    RodRuss
  4. A quick message from the developer

    Hello everyone,What an experience it has been having my small passion project featured on the Steam front page. Seeing so many new people discover the game all at once has honestly been surreal. There have been a lot of kind and encouraging…

    RodRuss
  5. -50% OFF | DAILY DEAL

    We’ve been invited by Steam to feature Abnormality as a Daily Deal.To celebrate, the game is now 50% OFF! The biggest discount we’ve ever done, and the lowest price it will be for all of 2026.Thank you so much to everyone who has played the…

    RodRuss
  6. New Graphics & Changes | v0.10.0.0

    Added New graphicsCompletely revamped fogRevamped the game’s color gradingRemoved the washed-out look the game hadCreated a clearer difference between day and nightImproved the game’s overall visual consistencyNew anti-aliasing setting…

    RodRuss
  7. Random Map Button & Polishing | v0.9.13.0

    Added Crash reporting system. When someone crashes, I can now retrieve the files and fix issues much faster.A random map button that lets the game choose a map for you at random. Improvements Added a looping spot in Crescent Pines…

    RodRuss
  8. v0.9.12.1

    Improvements Reworked the hand animations when holding items Added more detail to the paths on each map Made the item swap animation much more polished Made picking up items feel snappier Improved the flashlight Rebuilt the lobby Bug Fixes…

    Patch notes
  9. Tent Upgrade & Polishing | v0.9.12.0

    Improvements Changed how each map appears when you start the gameYou now arrive by car and leave by carUpdated the tentReadjusted the position of certain objects and made the area slightly smallerAdded wooden flooringMade UV evidence stand…

    RodRuss
  10. v0.9.11.1

    Improvements Adjusted parts of the interior in Holyvale Manor. You can now close the tablet by pressing Escape.

    Patch notes
  11. Dynamic Weather | v0.9.11.0

    Added Replaced the textbook journal with a tablet journal, which can also be accessed through the laptop.Dynamic weather: Each location now starts with random weather conditions. Improvements Redesigned parts of the main menu, lobby screen…

    RodRuss

February

  1. v0.9.10.1

    Improvements When a player steps in salt, it will now leave a shoeprint instead of a footprint. Bug Fixes Fixed a bug where you could uncrouch in certain areas and become stuck.

    Patch notes
  2. v0.9.10.0

    Added Unfocused Audio – The game’s audio will now continue playing even when you tab out, so you can still hear everything, including voice chat.Added a radio that plays subtle music in the tent during matches.Added a new ghost model.…

    RodRuss
  3. v0.9.9.1

    Bug Fixes Fixed an issue where the ghost would stop chasing players on the upstairs pathway in Motel. Fixed an issue where the ghost could become stuck in Chapel. Fixed an issue where the ghost could occasionally become stuck in Manor.…

    Patch notes
  4. 4 New Ghost Types | v0.9.9.0

    Added A few candles to light up the base tent of each locationAdded back the radio playing music in base lobby4x New Ghost typesMareDjinnBabadookRevenant Bug Fixes Fixed a bug where in certain cases the ghost could be visible.

    RodRuss
  5. v0.9.8.8

    Added Dynamic scaling: The game now scales to your screen resolution, adding full support for widescreen and other monitor types. No more black bars. Improvements Adjusted the atmosphere for a more coherent look across all locations.…

    Patch notes
  6. New Ghost Model & Ghost Dragging Fix | v0.9.8.7

    Added A brand new ghost model – the creepiest one yet. A new night vision system where the light intensity depends on how far away you're looking. This helps a lot on larger maps. Improvements Reworked the ghost’s aggression system to…

    Patch notes
  7. v0.9.8.6

    Added Added many more Spirit Box questions, such as “Can you make noise?”, “Are you alone?”, “Do you want us here?”, and more. Improvements Updated the visual color grading across several locations. Added a light inside the tent on each map…

    Patch notes
  8. v0.9.8.4

    Improvements Upgraded the navigation system so the ghost can now reach corners. Balancing When the ghost is extremely fast, it becomes more prone to slippery movement and may miss turns. Bug Fixes Fixed a bug where hugging corners could, in…

    Patch notes
  9. v0.9.8.3

    Optimization Optimized the network load of the UV light to help reduce disconnects. Improvements Fixed two “cheese spots” in Willow Creek.

    Patch notes
  10. v0.9.8.2

    Added New difficulty modifier: “Deathwish+.” This mode is intentionally unfair, heavily luck-based, and features an extremely fast ghost. Personal recommendation: Do not play. This is for everyone who loved the higher difficulties where the…

    Patch notes
  11. v0.9.8.1

    Balancing Adjusted the chance of hunts happening.

    Patch notes
  12. v0.9.8.0

    Added Added a hiding spot under the stairs in Holyvale Manor.Introduced a new UV light system:You can now bring more than one UV light into a match.UV glowstick intensity now decreases over time until shaken again, reducing its detection…

    RodRuss
  13. Quality of Life & General Fixes | v0.9.7.0

    Improvements Significantly increased the light emitted by lanterns to make them more useful.Ghost writing is now more visible.Polished the main menu, settings menu, and overall UI.Completely redeveloped the laser grid system to fix issues…

    RodRuss
  14. v0.9.6.3

    Added New upcoming map added to the locations page within the laptop. Improvements Fixed a lot of 'god spots' within Holyvale ManorFixed the god spot within the entrance of Blackwood Chapel Balancing Reduced the ghost speed within Overkill…

    Patch notes
  15. v0.9.6.2

    Added A new voiceline to the spirit box. Optimization Made foliage performance a bit better across the maps

    Patch notes
  16. DOUBLE MONEY & XP | Abnormality In-Game Event

    Until right over the weekend, there will be a double money + XP event in Abnormality. With all the new maps, I wanted to give you all new players a fair chance of testing all the new content out. This means from every investigation, you'll…

    RodRuss
  17. v0.9.6.1

    Optimization Optimized the loading times for the lobby laptop screen. Balancing Deathwish Difficulty:Increased the ghost’s field of view.Increased the ghost’s hearing range.Increased the ghost’s line of sight. Bug Fixes Fixed an issue in…

    Patch notes

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