Games like Monstrum on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Monstrum are available at the bottom of the page.

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Teleglitch: Die More Edition

In a cold, dark future dominated by mega-corporations, a small lonely planet on the edge of habitable space is the site of a shadowy research facility specializing in necrotic tissue reactivation. You are a scientist who has suddenly awoken to the realization that you are the lone survivor.

Similarity 81%
Price 12.99€
Rating 8.2
Release 24 Jul 2013

Cosmodread

Cosmodread is a VR survival horror roguelike about escaping a dying spaceship filled with nightmares. Stranded in a hostile universe, you must explore, survive, and find your way back to the safety of Earth.

Similarity 77%
Price 12.49€
Rating 8.5
Release 25 Mar 2021

Dreadhalls

You are trapped deep inside a massive dungeon. Explore it, survive it and find a way to escape. Your only weapons will be stealth, your own courage, and a faint light. Dreadhalls is an intense and scary experience, not for the faint of heart. You have been warned!

Similarity 76%
Price -32% 6.81€
Rating 8.6
Release 09 Mar 2017

Scarlet Tower

Hunt during the day, be hunted during the NIGHT! Scarlet Tower is a gothic horror casual game with roguelike and RPG elements, like talent trees, classes, familiars and more!

Similarity 72%
Price 3.99€
Rating 7.9
Release 25 Mar 2024

Receiver

Receiver was created for the 7-day FPS challenge to explore gun handling mechanics, randomized levels, and unordered storytelling. Armed only with a handgun and an audio cassette player, you must uncover the secrets of the Mindkill in a building complex infested with automated turrets and hovering shock drones.

Similarity 72%
Price 4.99€
Rating 7.7
Release 29 Apr 2013

Receiver 2

Receiver 2 simulates every internal part of each firearm based on manufacturer schematics and gunsmithing resources. Learn exactly how each sidearm works, including how to load and unload them, clear malfunctions, and operate their safety features.

Similarity 70%
Price 19.50€
Rating 8.7
Release 14 Apr 2020

DEVOUR

DEVOUR is a co-op horror survival game for 1-4 players. Stop possessed cultists before they drag you to hell. Run. Scream. Hide. Just don't get caught.

Similarity 69%
Price -33% 6.54€
Rating 9.0
Release 28 Jan 2021

UNLOVED

Based on the community award-winning Doom2 mod with the same name by the same creator, UNLOVED is reimagined in the Unreal Engine 4 to bring forth the unspeakable terror in new ways. Play coop with your friends, increase your skills, mod your weapons and face the horror that this unearthly place holds...

Similarity 69%
Price -50% 1.99€
Rating 7.1
Release 29 Sep 2016

Killing Room

Rogue-like FPS with strong RPG elements set in a 22nd century reality-show parody. Win a fortune or die, but never disappoint your audience. And audience is virtual or real with revolutionary but optional features for streamers and their fans.

Similarity 69%
Price 14.79€
Rating 6.8
Release 20 Oct 2016

Baldi's Basics Plus

Baldi's Basics® Plus is an active stealth roguelike that parodies cheap '90s edutainment with a subtle horror twist! Play Hide & Seek with Baldi as he chases you through procedurally generated levels while using your surroundings, items, and game knowledge to shift chaos in your favor.

Similarity 68%
Price 8.19€
Rating 9.4
Release 11 Jun 2020

Heavy Bullets

Heavy Bullets is a randomized FPS dungeon crawler where players make their way through a colorful maze, while protecting themselves from aggressive creatures and malfunctioning security devices. The goal lies at the end of the 8th level, where they must reset the security mainframe to restore order and reap the rewards.

Similarity 68%
Price 9.75€
Rating 7.9
Release 18 Sep 2014

Paranautical Activity: Deluxe Atonement Edition

Paranautical Activity combines the classic FPS action of games like Doom and Quake, with the randomness and difficulty of modern roguelikes like Binding of Isaac and Spelunky.

Similarity 68%
Price 6.99€
Rating 6.6
Release 20 Oct 2014

We Happy Few

From the independent studio that brought you Contrast, We Happy Few is an action/adventure game set in a drug-fuelled, retrofuturistic city in an alternative 1960s England. Hide, fight and conform your way out of this delusional, Joy-obsessed world.

Similarity 67%
Price 59.99€
Rating 7.5
Release 10 Aug 2018

Granny

You have to escape Granny`s house...You have five days...

Similarity 67%
Price 3.99€
Rating 9.0
Release 20 Nov 2018

FIVE NIGHTS AT FREDDY'S: HELP WANTED

Five Nights at Freddy’s: Help Wanted is a collection of classic and original mini-games set in the Five Nights universe. Experience the horror in flat (non-VR) mode or VR. Oculus Rift and HTC Vive are supported. A VR Headset is NOT required to play.

Similarity 67%
Price 24.99€
Rating 9.3
Release 28 May 2019

Eldritch

Eldritch is the original imsim roguelike: a first-person action game inspired by roguelikes, immersive sims, and H. P. Lovecraft.

Similarity 67%
Price 11.99€
Rating 8.4
Release 21 Oct 2013

PANICORE

PANICORE is a survival horror game that mixes permadeath, AI monsters and a co-op experience up to 5 players (4 players in demo). Try to escape and don't get caught, but beware: they don't only hear your steps, but also your voice.

Similarity 66%
Price 4.99€
Rating 7.9
Release 31 May 2024

Shadow Corridor 2 雨ノ四葩

Lost forever in the pitch black! But that's what makes it fun! The vast corridors covered in darkness change with each play. All you can do is run or hide from the frightening Apparitions. Use unique items and Karuta cards with special powers in your desperate search for an escape from the darkness!

Similarity 66%
Price 18.49€
Rating 8.2
Release 29 Mar 2024

CASE: Animatronics

CASE: Animatronics is a truly scary and challenging first-person stealth horror on PC. Control of the police department is in the hands of anonymous hacker. All exits are locked. Electricity is off. Metallic thumps are getting closer. Will you survive, Detective Bishop?

Similarity 66%
Price -86% 1.36€
Rating 8.1
Release 03 Aug 2016

Outlast

Hell is an experiment you can't survive in Outlast, a first-person survival horror game developed by veterans of some of the biggest game franchises in history. As investigative journalist Miles Upshur, explore Mount Massive Asylum and try to survive long enough to discover its terrible secret... if you dare.

Similarity 66%
Price -88% 2.43€
Rating 9.5
Release 04 Sep 2013

Bingle Bingle

Bingle Bingle is a 'Roulette Builder' game where you can create your own Roulette. Strategically combine various betting options and unique balls to create synergies, earn extreme scores, and beat the casino.

Similarity 66%
Price 10.79€
Rating 7.9
Release 18 Mar 2024

Boris and the Dark Survival

A lone wolf struggles to survive the inky abyss of Joey Drew Studios in this top-down survival horror.

Similarity 66%
Price -50% 1.39€
Rating 8.6
Release 10 Feb 2020

The Blackout Club

The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed.

Similarity 66%
Price 28.99€
Rating 7.5
Release 29 Jul 2019

Five Nights at Freddy's 2

Welcome back to the new and improved Freddy Fazbear's Pizza! As always, Fazbear Entertainment is not responsible for death or dismemberment.

Similarity 65%
Price 7.99€
Rating 9.2
Release 10 Nov 2014

Most played games like Monstrum on Steam

Take a look at the top games like Monstrum that are currently attracting the largest player bases on the Steam platform, as of April 16th 2025.

1. Dead by Daylight

Similarity 51% Trapped forever in a realm of eldritch evil where even death is not an escape, four determined Survivors face a bloodthirsty Killer in a vicious game of nerve and wits. Pick a side and step into a world of tension and terror with horror gaming's best asymmetrical multiplayer. Dead by Daylight is a horror, multiplayer and survival horror game developed and published by Behaviour Interactive Inc.. Released on June 14th 2016 has received 786,824 reviews of which 621,871 were positive and 164,953 were negative resulting in a rating of 7.9 out of 10. The game has hit the top spot as the #1 most played game like Monstrum, thanks to its 37,251 peak concurrent players over the last day.
7.9
621,871
164,953

37,251
players

2. The Binding of Isaac: Rebirth

Similarity 64% The Binding of Isaac: Rebirth is a randomly generated action RPG shooter with heavy Rogue-like elements. Following Isaac on his journey players will find bizarre treasures that change Isaac’s form giving him super human abilities and enabling him to fight off droves of mysterious creatures, discover secrets and fight his way to safety. The Binding of Isaac: Rebirth is a action roguelike, rogue-like and indie game developed by Nicalis, Inc. and Edmund McMillen and published by Nicalis and Inc.. Released on November 04th 2014 has received 337,547 reviews of which 328,601 were positive and 8,946 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 15,354 players online at once in the last 24 hours, this game is currently ranked #2 among games like Monstrum based on player count.
9.6
328,601
8,946

15,354
players

3. Metro 2033 Redux

Similarity 50% In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033. Metro 2033 Redux is a post-apocalyptic, fps and atmospheric game developed by 4A Games and published by Deep Silver. Released on August 27th 2014 has received 93,304 reviews of which 84,551 were positive and 8,753 were negative resulting in a rating of 8.9 out of 10. While seeing 13,485 players online at once in the last 24 hours, this game is currently ranked #3 among games like Monstrum based on player count.
8.9
84,551
8,753

13,485
players

4. Don't Starve Together

Similarity 60% Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve. Don't Starve Together is a survival, open world survival craft and multiplayer game developed and published by Klei Entertainment. Released on April 21st 2016 has received 493,660 reviews of which 470,616 were positive and 23,044 were negative resulting in an impressive rating of 9.5 out of 10. With 9,417 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Monstrum.
9.5
470,616
23,044

9,417
players

5. The Forest

Similarity 55% As the lone survivor of a passenger jet crash, you find yourself in a mysterious forest battling to stay alive against a society of cannibalistic mutants. Build, explore, survive in this terrifying first person survival horror simulator. The Forest is a open world survival craft, survival and open world game developed and published by Endnight Games Ltd. Released on April 30th 2018 has received 622,378 reviews of which 594,632 were positive and 27,746 were negative resulting in an impressive rating of 9.5 out of 10. With 3,175 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Monstrum.
9.5
594,632
27,746

3,175
players

6. Subnautica

Similarity 58% Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive. Subnautica is a open world survival craft, survival and horror game developed and published by Unknown Worlds Entertainment. Released on January 23rd 2018 has received 309,700 reviews of which 300,502 were positive and 9,198 were negative resulting in an impressive rating of 9.6 out of 10. With 2,653 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Monstrum.
9.6
300,502
9,198

2,653
players

7. Hades

Similarity 51% Defy the god of the dead as you hack and slash out of the Underworld in this rogue-like dungeon crawler from the creators of Bastion, Transistor, and Pyre. Hades is a action roguelike, rogue-lite and hack and slash game developed and published by Supergiant Games. Released on September 17th 2020 has received 278,066 reviews of which 273,223 were positive and 4,843 were negative resulting in an impressive rating of 9.7 out of 10. With 2,642 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Monstrum.
9.7
273,223
4,843

2,642
players

8. Darkest Dungeon®

Similarity 52% Darkest Dungeon is a challenging gothic roguelike turn-based RPG about the psychological stresses of adventuring. Recruit, train, and lead a team of flawed heroes against unimaginable horrors, stress, disease, and the ever-encroaching dark. Can you keep your heroes together when all hope is lost? Darkest Dungeon® is a turn-based combat, dark fantasy and dungeon crawler game developed and published by Red Hook Studios. Released on January 19th 2016 has received 147,583 reviews of which 135,333 were positive and 12,250 were negative resulting in an impressive rating of 9.1 out of 10. With 2,458 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Monstrum.
9.1
135,333
12,250

2,458
players

9. SCP: Secret Laboratory

Similarity 56% Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape. SCP: Secret Laboratory is a free to play, multiplayer and horror game developed and published by Northwood Studios. Released on December 29th 2017 has received 211,312 reviews of which 193,314 were positive and 17,998 were negative resulting in an impressive rating of 9.0 out of 10. With 2,104 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Monstrum.
9.0
193,314
17,998

2,104
players

10. Dead Cells

Similarity 53% Dead Cells is a roguelite, metroidvania inspired, action-platformer. You'll explore a sprawling, ever-changing castle... assuming you’re able to fight your way past its keepers in 2D souls-lite combat. No checkpoints. Kill, die, learn, repeat. Dead Cells is a adventure, action roguelike and pixel graphics game developed and published by Motion Twin. Released on August 06th 2018 has received 166,220 reviews of which 161,389 were positive and 4,831 were negative resulting in an impressive rating of 9.6 out of 10. With 1,580 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Monstrum.
9.6
161,389
4,831

1,580
players

Best deals on games like Monstrum on Steam

Discover fantastic savings with the best discounts on a variety of games like Monstrum available on Steam right now, updated on April 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Monstrum.

1. Metro 2033 Redux

Similarity 50% In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033. Metro 2033 Redux is a post-apocalyptic, fps and atmospheric game developed by 4A Games and published by Deep Silver. Released on August 27th 2014 has received 93,304 reviews of which 84,551 were positive and 8,753 were negative resulting in a rating of 8.9 out of 10.
8.9
84,551
8,753

-100%

2. RAD

Similarity 50% RAD is a 3D action rogue-like set in a post-post-apocalyptic world, where humanity has faced armageddon not once, but twice. RAD is a action, rogue-lite and post-apocalyptic game developed by Double Fine Productions and published by BANDAI NAMCO Entertainment America Inc.. Released on August 19th 2019 has received 934 reviews of which 692 were positive and 242 were negative resulting in a rating of 7.1 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like Monstrum.
7.1
692
242

-95% 20.00€ 1.00€

3. BPM: BULLETS PER MINUTE

Similarity 54% BPM is a rhythm-action FPS rogue-like where you must shoot, jump and dodge to the beat of an epic rock soundtrack. Delve into a randomly generated dungeon where one missed note can lead to your death. Gain game-changing abilities and loot powerful weaponry to defeat your ancient enemy: Nidhogg. BPM: BULLETS PER MINUTE is a fps, rhythm and rogue-like game developed and published by Awe Interactive. Released on September 15th 2020 has received 11,053 reviews of which 10,039 were positive and 1,014 were negative resulting in a rating of 8.8 out of 10. Thanks to its incredible 94% discount, this game is now the #3 best deal in games like Monstrum.
8.8
10,039
1,014

-94% 21.00€ 1.26€

4. Ad Infinitum

Similarity 59% When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity? Ad Infinitum is a horror, action and psychological horror game developed by Hekate and published by Nacon. Released on September 14th 2023 has received 854 reviews of which 688 were positive and 166 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 94% discount, this title has earned the #4 position in the best deals for games like Monstrum.
7.7
688
166

-94% 35.50€ 2.13€

5. Astral Ascent

Similarity 51% Choose one of four heroes and explore the Garden, an astral prison guarded by 12 powerful mystical bosses: the Zodiacs. Challenge them with dozens of unique spells and faithful friends by your side to unfold the story of this platform roguelite with lightning fast combat. Astral Ascent is a action roguelike, rogue-lite and hack and slash game developed by Hibernian Workshop and published by Hibernian Workshop, MP2 Games and Maple Whispering Limited. Released on November 14th 2023 has received 6,556 reviews of which 6,212 were positive and 344 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 93% discount, this title has earned the #5 position in the best deals for games like Monstrum.
9.2
6,212
344

-93% 24.71€ 1.73€

6. Othercide

Similarity 52% As Humanity’s last hope, lead your army to combat in an intricate dance of spectacular actions and counters, using an original Dynamic Timeline System, and face fearsome bosses in epic battles. Othercide is a strategy, indie and turn-based tactics game developed by Lightbulb Crew and published by Focus Entertainment. Released on July 27th 2020 has received 4,766 reviews of which 3,925 were positive and 841 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 93% discount, this title has earned the #6 position in the best deals for games like Monstrum.
8.0
3,925
841

-93% 31.29€ 2.19€

7. The Flame in the Flood

Similarity 55% A rogue-like river journey through the backwaters of a forgotten post-societal America. Forage, craft, evade predators. The Flame in the Flood is a survival, adventure and action roguelike game developed by The Molasses Flood and published by The Molasses Flood and Curve Games. Released on February 24th 2016 has received 7,140 reviews of which 5,423 were positive and 1,717 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 93% discount, this title has earned the #7 position in the best deals for games like Monstrum.
7.4
5,423
1,717

-93% 15.14€ 1.06€

8. Metro 2033 Redux

Similarity 50% In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033. Metro 2033 Redux is a game developed and published by . Released on August 27th 2014 has received 93,304 reviews of which 84,551 were positive and 8,753 were negative resulting in a rating of 8.9 out of 10.
8.9
84,551
8,753

-100%

9. Metro: Last Light Redux

Similarity 55% It is the year 2034. Beneath the ruins of post-apocalyptic Moscow, in the tunnels of the Metro, the remnants of mankind are besieged by deadly threats from outside – and within. Mutants stalk the catacombs beneath the desolate surface, and hunt amidst the poisoned skies above. Metro: Last Light Redux is a post-apocalyptic, fps and atmospheric game developed by 4A Games and published by Deep Silver. Released on August 27th 2014 has received 68,869 reviews of which 62,362 were positive and 6,507 were negative resulting in a rating of 8.9 out of 10. Currently offered at a significant 92% discount, this title has earned the #9 position in the best deals for games like Monstrum.
8.9
62,362
6,507

-92% 19.75€ 1.58€

10. ScourgeBringer

Similarity 51% ScourgeBringer is a fast-paced free-moving roguelite platformer. Help Kyhra to explore the unknown and slash her way through ancient machines guarding the seal of her past, and maybe the redemption of humanity. ScourgeBringer is a indie, action and adventure game developed by Flying Oak Games and E-Studio and published by Dear Villagers. Released on October 21st 2020 has received 2,946 reviews of which 2,573 were positive and 373 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 91% discount, this title has earned the #10 position in the best deals for games like Monstrum.
8.4
2,573
373

-91% 17.89€ 1.61€

Free games like Monstrum on Steam

Check out this fantastic list of free-to-play games like Monstrum you can enjoy on Steam right now, updated on April 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Monstrum.

1. Metro 2033 Redux

Similarity 50% In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033. Metro 2033 Redux is a post-apocalyptic, fps and atmospheric game developed by 4A Games and published by Deep Silver. Released on August 27th 2014 has received 93,304 reviews of which 84,551 were positive and 8,753 were negative resulting in a rating of 8.9 out of 10. With 13,485 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Monstrum.
8.9
84,551
8,753

13,485
players

2. SCP: Secret Laboratory

Similarity 56% Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape. SCP: Secret Laboratory is a free to play, multiplayer and horror game developed and published by Northwood Studios. Released on December 29th 2017 has received 211,312 reviews of which 193,314 were positive and 17,998 were negative resulting in an impressive rating of 9.0 out of 10. Thanks to its free to play tag and a daily player base of 2,104, this game has secured the #2 spot in the ranking of free games like Monstrum.
9.0
193,314
17,998

2,104
players

3. Poppy Playtime

Similarity 59% You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught. Poppy Playtime is a horror, free to play and singleplayer game developed and published by Mob Entertainment. Released on October 12th 2021 has received 97,367 reviews of which 82,683 were positive and 14,684 were negative resulting in a rating of 8.4 out of 10. Thanks to its free to play tag and a daily player base of 916, this game has secured the #3 spot in the ranking of free games like Monstrum.
8.4
82,683
14,684

916
players

4. Cry of Fear

Similarity 57% Cry of Fear is a psychological single-player and co-op horror game set in a deserted town filled with horrific creatures and nightmarish delusions. You play as a young man desperately searching for answers in the cold Scandinavian night, finding his way through the city as he slowly descends into madness. Cry of Fear is a horror, free to play and multiplayer game developed and published by Team Psykskallar. Released on April 25th 2013 has received 73,111 reviews of which 64,708 were positive and 8,403 were negative resulting in a rating of 8.7 out of 10. Attracting a solid base of 346 players due to its free access, this strategy game has achieved the #4 position in the best free games like Monstrum.
8.7
64,708
8,403

346
players

5. Ultimate Custom Night

Similarity 64% Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties! Ultimate Custom Night is a free to play, horror and singleplayer game developed and published by Scott Cawthon. Released on June 27th 2018 has received 57,857 reviews of which 55,013 were positive and 2,844 were negative resulting in an impressive rating of 9.3 out of 10. Attracting a solid base of 177 players due to its free access, this strategy game has achieved the #5 position in the best free games like Monstrum.
9.3
55,013
2,844

177
players

6. Freddy Fazbear's Pizzeria Simulator

Similarity 53% Start your own Freddy Fazbear's Pizzeria with Freddy Fazbear Pizzeria Simulator! Freddy Fazbear's Pizzeria Simulator is a free to play, horror and singleplayer game developed and published by Scott Cawthon. Released on December 04th 2017 has received 29,934 reviews of which 28,134 were positive and 1,800 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #6 spot among the most played free games like Monstrum.
9.2
28,134
1,800

96
players

7. Dark Deception

Similarity 57% Death awaits you in Dark Deception, a story-driven first-person horror maze game. There's nowhere to hide & nowhere to catch your breath. Run or die - it's your choice. Trapped in a realm of nightmarish mazes with a mysterious woman, your only hope of survival is to find a way to escape. Dark Deception is a horror, free to play and multiplayer game developed and published by Glowstick Entertainment. Released on September 26th 2018 has received 20,896 reviews of which 18,594 were positive and 2,302 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #7 spot among the most played free games like Monstrum.
8.7
18,594
2,302

70
players

8. Indigo Park: Chapter 1

Similarity 50% Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down. Indigo Park: Chapter 1 is a horror, free to play and first-person game developed and published by UniqueGeese. Released on May 18th 2024 has received 20,601 reviews of which 19,682 were positive and 919 were negative resulting in an impressive rating of 9.3 out of 10. The game currently holds the #8 spot among the most played free games like Monstrum.
9.3
19,682
919

46
players

9. SCP: Labrat

Similarity 51% You are a test subject in the underground SCP research facility. When a containment breach occurs, you must find your way out. Escape the SCPs, discover anomalous objects, and collect valuable resources along the way. SCP: Labrat is a horror, multiplayer and vr game developed and published by Bezbro Games. Released on December 24th 2022 has received 3,936 reviews of which 3,242 were positive and 694 were negative resulting in a rating of 8.0 out of 10. The game currently holds the #9 spot among the most played free games like Monstrum.
8.0
3,242
694

28
players

10. Pathologic 3: Quarantine

Similarity 59% In this free prologue to a narrative-driven adventure, watch a mysterious plague break out in a small town. Learn what drove a celebrated academic to leave his acclaimed lab. Examine patients, uncover strange secrets, and make first steps towards immortality. Pathologic 3: Quarantine is a adventure, rpg and simulation game developed by Ice-Pick Lodge and published by HypeTrain Digital. Released on March 17th 2025 has received 1,087 reviews of which 975 were positive and 112 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #10 spot among the most played free games like Monstrum.
8.5
975
112

24
players