Games like Project Unknown on Steam

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Remnant Records Remnant Records is a horror investigation game for 1 to 4 players. Explore places haunted by the dead, survive elaborate and unique ghosts and find out what happened to them through thousands of generated stories.

Similarity 60%
Price -98% 0.37€
Rating 7.4
Release 23 Jan 2024
KunKun dream Startles the Soul Multiplayer , yes! You have been trapped in KunKun's dream, you and your trapped companions have to find a way to escape and avoid these Grotesque Object! Grotesque Objectlike playing basketball and worship chickens, hate watermelons, and even come Let me see

Similarity 60%
Price 2.99€
Rating 7.5
Release 24 Jun 2024
The Past Within The Past Within is the new co-op experience from Rusty Lake! Play together with someone you deem trustworthy: one in The Past, the other in The Future. Observe and communicate what you see around you. Solve the puzzles and uncover Albert Vanderboom’s plan.

Similarity 60%
Price 5.99€
Rating 9.2
Release 02 Nov 2022
Unfortunate Spacemen An online multiplayer game about shapeshifting deception and betrayal! As a hapless, brave spaceman employed by The Company you'll work diligently to defend and be rescued from failing outposts, but not everyone around you is who they claim to be...

Similarity 60%
Price Free to play
Rating 8.4
Release 12 Jun 2020
Murky Divers Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.

Similarity 59%
Price -95% 0.50€
Rating 8.6
Release 12 Dec 2024
Ghost Watchers Ghost Watchers is a co-op online horror game. You will explore and hunt ghosts in abandoned houses

Similarity 59%
Price -56% 5.52€
Rating 8.4
Release 24 Jul 2025
GTFO GTFO is a hardcore cooperative horror shooter that throws you from gripping suspense to explosive action in a heartbeat. Stealth, strategy, and teamwork are necessary to survive in your deadly, underground prison. Work together or die together.

Similarity 58%
Price -66% 13.59€
Rating 8.3
Release 09 Dec 2021
Forsaken Frontiers Step into the frozen unknown in Forsaken Frontiers, a cooperative analog horror adventure set in the unforgiving embrace of an everlasting winter.

Similarity 58%
Price 14.79€
Rating 7.7
Release 25 May 2025
Supernormal Inspired by Allison Road. SUPERNORMAL is a psychological horror game set in a seemingly ordinary apartment harboring dark secrets. Play as Detective Wyatt, tasked with unravelling the disappearance of Masato Sakamoto's daughter. Search for clues and unravel the sinister truth.

Similarity 57%
Price 7.79€
Rating 6.9
Release 08 Jan 2024
Subterror Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.

Similarity 57%
Price 7.79€
Rating 8.4
Release 03 Jan 2025
ASKA A new Viking age dawns with you at its helm. Forge a thriving colony from nothing in this mythic open-world survival sim. Earn the gods' favor and survive in a land ruled by ancient terrors and unforgiving seasons. Rally unique villagers, expand your settlement and defend your tribe - solo or co-op!

Similarity 57%
Price -64% 9.04€
Rating 7.8
Release 20 Jun 2024
Echoes of the Living Echoes of the Living is a dark Classic Survival Horror inspired by the greatest hits from the 90's focused on reimagining visual horror, your goal is to make it out alive while uncovering the truth about the incident.

Similarity 56%
Price 24.50€
Rating 7.9
Release 31 Oct 2025
The Headliners Co-op horror game where you play in teams of 1 to 8 reckless journalists, ready to explore a city overrun by deadly creatures to snap spectacular footage. Your only goal: make the headlines without becoming one.

Similarity 56%
Price -59% 3.24€
Rating 8.3
Release 30 Jan 2025
SKIBIDI: ESCAPE FROM TOILETS! "SKIBIDI: ESCAPE FROM TOILETS" is a cooperative horror game for 1-4 players. TV MANs are trying to get through creepy and atmospheric locations that are filled with dangerous SKIBIDI - they want to kill you! Free content updates with new levels and game modes - YES YES YES!

Similarity 56%
Price 4.99€
Rating 7.1
Release 30 Nov 2023
PropHunter PropHunter - a fresh representative of the genre of hide and seek on the net! The players are divided into two teams - one team is hiding by taking the form and properties of objects, the second team is seek to find for impostors among props. The team that eliminates its rivals wins!

Similarity 56%
Price 3.29€
Rating 7.6
Release 06 Aug 2021
PIGGY: Hunt PIGGY: Hunt is a fast-paced survival horror multiplayer game. Survivors must work together to survive and escape from the Infected.

Similarity 56%
Price Free to play
Rating 6.7
Release 14 Oct 2021
C.A.S.T. (CHERNOZEM ANOMALY STRIKE TEAM) C.A.S.T is a third-person PvE extraction shooter playable solo or in co-op. Select your character and loadout to battle enemy hordes, evade anomalies, and complete objectives across handcrafted maps with dynamic procedural elements.

Similarity 56%
Price -30% 4.82€
Rating 8.6
Release 14 Jul 2025
Midnight Heist Go on heists through Midnight City alone or with up to four players to fulfill tasks as a hacker for various organizations. Improve your reputation, earn money, and uncover the secrets of shady companies all while being hunted by terrifying entities.

Similarity 56%
Price 9.75€
Rating 8.7
Release 24 Oct 2025
From The Darkness From the darkness is a psychological horror game with a scary atmosphere, the game takes place in an old Soviet abandoned apartment.

Similarity 56%
Price 5.69€
Rating 8.6
Release 30 Mar 2021
Evil Tag Four teenagers have to pass the rite of student initiation. To do this, they must read a spell from the ancient book in the basement of the abandoned house and spend a night there. They thought it would be fun...

Similarity 55%
Price 1.99€
Rating 6.5
Release 07 Apr 2017
We Were Here Too As your final hour approaches, a large structure looms up in the distance, towering above the relentless storm. Discover the truth behind this dark castle in a communication-based, cooperative puzzle adventure.

Similarity 55%
Price -91% 0.92€
Rating 7.9
Release 02 Feb 2018
Chained in the Backrooms Chained in the Backrooms is a 1-4 player co-op, mission-based horror game. Trapped in a blurry subconscious and chained together, toy bears must solve puzzles, complete challenging missions, and survive against creatures trying to destroy them.

Similarity 55%
Price 2.99€
Rating 6.5
Release 13 Feb 2025
Nine-Ball Roulette This will be the most thrilling pool game you have ever played. Join up to 3 of your friends in this exciting pool roulette game! Eliminate each other with pool until only one person is left.

Similarity 55%
Price -76% 0.98€
Rating 8.2
Release 04 Dec 2025
SCP: Blackout A VR/Desktop game where you are a new D-Class personnel in secret SCP Research Site-50 when everything falls apart. Use what you can find as you explore the facility, access logs to learn about the SCP entities in containment, and run for your life from the SCP entities that have escaped.

Similarity 54%
Price Free to play
Rating 6.5
Release 26 Mar 2024