Abnormality

Co-op ghost-hunting horror with investigations that turn into chases

Nightmare Studios · Released Oct 28, 2024 · Early Access

Reviews: Mostly Positive; 72% of 247
Recent reviews: Mostly Positive; 72% of 11 in 30 days
Players: 2; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 20 hours ago; Oct 27, 2026
Minimum PC: GeForce GTX 1050; Full requirements

What is Abnormality?

Abnormality is a first-person horror game in Early Access, playable alone or in online co-op. You search haunted houses, a manor, a chapel, and a motel, using tools to gather evidence, identify the ghost, and escape alive. Hidden story clues explain why each location is haunted.

For you if...

+you enjoy working through paranormal investigations with friends
+you like distinguishing ghost types by their behavior and traits

Not for you if...

−you prefer horror without sudden scares or screen shaking

What players say

72% of 247 reviews are positive · 72% of 11 in the last 30 days

Players praise tense hunts, atmospheric maps, and frequent developer updates. Complaints center on bugs that disrupt investigations and inconsistent performance.

Screenshots and trailer

Abnormality system requirements

Minimum: GeForce GTX 1050.

As published by the developer.

Can my PC run Abnormality?

Tell us your graphics card once and every game page will answer this for you.

Set up my PC →

Minimum

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

Does Abnormality have co-op or multiplayer?

Yes: co-op online. It also has a single-player mode.

Does Abnormality run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
Some in-game text is small and may be hard to read
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 10
Steam features: Family Sharing
Languages: Full audio: English. Text only: German, Spanish - Spain, Simplified Chinese, Japanese, Portuguese - Brazil, Russian, Spanish - Latin America, French, Korean, Polish, Traditional Chinese, Turkish, Italian, Bulgarian, Danish, Dutch, Finnish, Greek, Hungarian, Norwegian, Portuguese - Portugal, Romanian, Swedish, Ukrainian.

Does Abnormality use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam