Games like Observer: System Redux on Steam

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Mundaun Mundaun is a lovingly hand-penciled horror tale set in a dark, secluded valley of The Alps. Explore various areas full of secrets to discover, survive hostile encounters, drive vehicles, fill your inventory, and solve a variety of handcrafted puzzles.

Similarity 41%
Price 18.49€
Rating 8.9
Release 16 Mar 2021
Conrad Stevenson's Paranormal P.I. I made this first-person single player ghost hunting simulation game, trying to take an authentic approach at investigating ghosts. Use essential paranormal tools to help your community alleviate their concerns and put their minds at ease.

Similarity 41%
Price -90% 1.02€
Rating 8.8
Release 28 Sep 2023
The Painscreek Killings Investigate an infamous cold case in the eerie, abandoned town of Painscreek. Search for evidence, connect the dots and uncover who killed Vivian Roberts. Can you expose the truth behind this town’s dark secrets?

Similarity 41%
Price -74% 5.22€
Rating 8.8
Release 27 Sep 2017
Quadrilateral Cowboy When you have a top-of-the-line hacking deck armed with a 56.6k modem and a staggering 256k RAM, it means just one thing: you answer only to the highest bidder.

Similarity 41%
Price 19.99€
Rating 8.7
Release 25 Jul 2016
SIMULACRA 2 A dead influencer. An obsessed detective. Three suspects. Piece the truth together by going through the victim’s phone messages, videos, and social media in the follow up to the critically acclaimed SIMULACRA.

Similarity 41%
Price -86% 1.15€
Rating 8.3
Release 30 Jan 2020
Incantation A mother, searching for her lost daughter, stumbles into a strange cult village. "Incantation" is a first-person horror game. It reveals the chilling story behind the "Chen Family Village". What are the consequences of crossing dark boundaries?

Similarity 41%
Price -40% 10.19€
Rating 7.1
Release 17 Nov 2024
This is a Ghost This is a Ghost is a ghost-hunting psychological horror game. Using your equipment, track down paranormal activity and gather evidence to identify the entity, then banish it from this world! Solo and online co-op play for up to 4 players. 👻

Similarity 40%
Price -83% 2.99€
Rating 8.4
Release 17 Apr 2024
Kiosk Kiosk is a horror cooking game where you prepare orders for late-night customers who visit your cozy, rain-soaked kiosk. The eerie atmosphere clashes with the mounting tension as you serve your mysterious visitors.

Similarity 40%
Price 3.99€
Rating 8.3
Release 29 Jan 2025
Sense - 不祥的预感: A Cyberpunk Ghost Story A 2.5D horror game inspired by Clock Tower and Fatal Frame, mixing cyberpunk with traditional Cantonese folklore. With careful attention to pacing, atmosphere and storytelling, Sense hopes to return the horror genre to its roots by celebrating visceral horror and the slow, fearful creep of dread.

Similarity 40%
Price -78% 3.72€
Rating 7.5
Release 25 Aug 2020
Luto Luto is a psychological horror experience where you take on the role of someone unable to leave their home. Every attempt to escape will lead you deeper into the unknown, where nothing is as it seems and everything will test your senses.

Similarity 40%
Price -10% 17.99€
Rating 7.7
Release 21 Jul 2025
Evil Nun: The Broken Mask Enter Evil Nun's nightmare. Trapped in a cursed school, escape from Sister Madeline. She's cunning, searching every corner, luring and talking to you depending on your actions. Solve puzzles, craft items, and uncover the mystery in this horror game with different escape routes.

Similarity 40%
Price 19.50€
Rating 9.0
Release 07 Dec 2023
Don't Be Afraid Don't Be Afraid is an adventure horror game, that allows you to personate a boy, kidnapped by a psychopath. You have to survive, escape and find out how you were kidnapped. Exploring the gigantic, mysterious house of your torturer, you will soon reveal many secrets, hidden inside it’s walls…

Similarity 40%
Price -96% 0.46€
Rating 7.9
Release 17 Dec 2020
Demonologist Demonologist is a Co-Op horror game that can be played with at least 1 and up to 4 players. Your goal is to identify the type of evil spirit in cursed places and exorcise it using your equipment, either alone or with your team.

Similarity 40%
Price -27% 14.41€
Rating 8.4
Release 25 Sep 2023
Midnight Heist Go on heists through Midnight City alone or with up to three friends to fulfill tasks as a hacker for various organizations. Improve your reputation, earn money and uncover the secrets of shady companies in this co-op horror game.

Similarity 40%
Price 9.75€
Rating 8.7
Release 25 Oct 2023
CASE 2: Animatronics Survival CASE 2: Animatronics Survival is a horror game that is available in two modes. Online mode lets one or more players take on the role of animatronics, ready to crush everyone and everything. The other three are survivors. How did this happen? You’ll have to find out!

Similarity 40%
Price 9.75€
Rating 7.9
Release 28 Feb 2019
Curious Cases For Desktop or VR! In this 3 chapter story, you play as a modern day legend, Detective Thomas Moore. He has solved more cases than one can count, where others hit dead-ends, he gets to work.

Similarity 40%
Price 6.89€
Rating 6.7
Release 04 Apr 2019
Still Wakes the Deep 1975. Disaster strikes the Beira D oil rig off the coast of Scotland. Navigate the collapsing rig to save your crew from an otherworldly horror on the edge of all logic and reality.

Similarity 40%
Price -69% 11.08€
Rating 8.7
Release 18 Jun 2024