Games like Syndrome on Steam

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

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Alien: Isolation

Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.

Similarity 87%
Price -87% 5.21€
Rating 9.2
Release 06 Oct 2014

SCP: Fragmented Minds

You arrive at Mars Site-113, a decaying monument to the SCP Foundation's ambition—and its failures. Once the most secure facility, now a cradle of horrors calling you to uncover its secrets. Face relentless anomalies, humanity's darkest truths, and a mission that demands survival above all else.

Similarity 80%
Price -51% 4.66€
Rating 8.8
Release 27 Jan 2025

Call of Cthulhu®: Dark Corners of the Earth

Call of Cthulhu: Dark Corners of the Earth is a first-person horror game that combines intense action and adventure elements.

Similarity 79%
Price 4.99€
Rating 6.6
Release 16 Jun 2009

Metro Exodus

Flee the shattered ruins of the Moscow Metro and embark on an epic, continent-spanning journey across the post-apocalyptic Russian wilderness. Explore vast, non-linear levels, lose yourself in an immersive, sandbox survival experience, and follow a thrilling story-line that spans an entire year in the greatest Metro adventure yet.

Similarity 77%
Price -75% 7.49€
Rating 8.9
Release 14 Feb 2020

Aliens vs. Predator™

Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.

Similarity 76%
Price 14.99€
Rating 8.9
Release 16 Feb 2010

Gynophobia

Gynophobia is a horror themed shooter about abnormal fear of women. Gynophobia is using classic first person shooter gameplay, to convey story about Mark, who is suffering from different phobias, including abnormal fear of woman.

Similarity 75%
Price 1.99€
Rating 6.4
Release 31 Jul 2015

Metro: Last Light Redux

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.

Similarity 75%
Price -92% 1.58€
Rating 8.9
Release 27 Aug 2014

SCP: Secret Laboratory

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.

Similarity 73%
Price Free to play
Rating 9.0
Release 29 Dec 2017

System Shock

A first-person fight to the death in the depths of space!

Similarity 73%
Price -73% 10.99€
Rating 8.9
Release 30 May 2023

Prey

In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.

Similarity 73%
Price -78% 6.58€
Rating 8.9
Release 04 May 2017

RIPOUT

Ripout is an online Co-Op horror FPS that will have players fight their way through procedurally generated derelict ships filled with mutants capable of reconfiguring their alien bodies. Survive with your trusty Pet Gun companion, collect loot, and customize your character to fit your playstyle.

Similarity 72%
Price -35% 13.00€
Rating 6.0
Release 28 May 2024

Cry of Fear

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.

Similarity 72%
Price Free to play
Rating 8.7
Release 25 Apr 2013

DOOM 3

A demonic invasion has overwhelmed the Union Aerospace Corporation's Mars research facility. As one of only a few survivors, you must fight your way to hell and back against a horde of demons in this award-winning horror/action FPS and reimagining of the original DOOM.

Similarity 72%
Price -48% 2.57€
Rating 8.4
Release 18 Oct 2012

Paper Dolls 2 纸人贰

Paper Dolls 2 is a first-person horror adventure game. A dark aura emanates from a Qing dynasty dwelling—the Yin Mansion. What happened to the once-famous Yin Family? Clues lead us to its second floor haunted by restless spirits. A truth, buried for over a hundred years, is waiting to be unraveled.

Similarity 72%
Price 16.79€
Rating 8.1
Release 02 Jul 2020

I Am Alive

I Am Alive casts the player as a lone survivor in a believable, dark and insecure post-apocalyptic world.

Similarity 72%
Price 14.99€
Rating 6.6
Release 06 Sep 2012

Eternal Evil

A small town is being taken over by ghouls. Solve puzzles, carefully read notes and use various weapons against horrific and evolving enemies to uncover what is behind this gruesome event. Eternal Evil is an old-school survival-horror game.

Similarity 71%
Price 28.99€
Rating 7.2
Release 01 Nov 2022

The Story of Henry Bishop

The story of Henry Bishop is a first-person psychological thriller, where the player will have to fight, guess riddles, immerse into a mystical plot and an incredible story.

Similarity 71%
Price 5.89€
Rating 7.9
Release 07 Nov 2019

Shadows Peak

Shadows Peak is an atmospheric, open-world horror game focused on exploration that doesn't hold your hand. You play as a writer who has decided to visit a mysterious place called Shadows Peak to gather materials for a new book about legends.

Similarity 71%
Price 9.75€
Rating 6.8
Release 13 Mar 2017

Metro 2033 Redux

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.

Similarity 71%
Price Free to play
Rating 8.9
Release 27 Aug 2014

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 70%
Price -86% 1.36€
Rating 8.1
Release 03 Aug 2016

Dead Effect

Fight for your life in the INDIE SCI-FI FPS game fit for both casual and hard-core gamers with a passion for hunting down hordes of zombies. Prepare yourselves for the incoming nightmare!

Similarity 70%
Price 4.99€
Rating 7.1
Release 17 Dec 2014

CONVRGENCE

CONVRGENCE is an atmospheric VR extraction shooter set in the procedurally generated, ever-changing Chernokamensk Anomaly Zone. Scavenge loot, fight bandits and hunt for mystical artifacts — all with your loyal dog companion by your side. But extract before nightfall, or face what lurks in the dark.

Similarity 70%
Price 19.50€
Rating 7.9
Release 22 Apr 2024

Pine Harbor

Pine Harbor was a small fishing town on the shores of the North Atlantic Ocean, surrounded by cliffs and dense pine forests, shrouded in thick fog. But everything changed as a result of a technological disaster. Explore the town, help its residents, and delve into the depths of the dark forests.

Similarity 70%
Price 24.42€
Rating 6.2
Release 25 Apr 2024

The Evil Within 2

Detective Sebastian Castellanos has lost everything, including his daughter, Lily. To save her, he must descend into the nightmarish world of STEM. Horrifying threats emerge from every corner, and he must rely on his wits to survive. For his one chance at redemption, the only way out is in.

Similarity 70%
Price -85% 4.56€
Rating 9.0
Release 12 Oct 2017

Most played games like Syndrome on Steam

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

1. Dead by Daylight

Similarity 57% 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 Syndrome, thanks to its 37,251 peak concurrent players over the last day.
7.9
621,871
164,953

37,251
players

2. DayZ

Similarity 62% How long can you survive a post-apocalyptic world? A land overrun with an infected "zombie" population, where you compete with other survivors for limited resources. Will you team up with strangers and stay strong together? Or play as a lone wolf to avoid betrayal? This is DayZ – this is your story. DayZ is a survival, open world and online co-op game developed and published by Bohemia Interactive. Released on December 13th 2018 has received 424,833 reviews of which 325,442 were positive and 99,391 were negative resulting in a rating of 7.6 out of 10. While seeing 31,464 players online at once in the last 24 hours, this game is currently ranked #2 among games like Syndrome based on player count.
7.6
325,442
99,391

31,464
players

3. Left 4 Dead 2

Similarity 59% Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008. This co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns. Left 4 Dead 2 is a zombies, co-op and fps game developed and published by Valve. Released on November 16th 2009 has received 952,732 reviews of which 929,269 were positive and 23,463 were negative resulting in an impressive rating of 9.7 out of 10. While seeing 20,169 players online at once in the last 24 hours, this game is currently ranked #3 among games like Syndrome based on player count.
9.7
929,269
23,463

20,169
players

4. Metro 2033 Redux

Similarity 71% 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 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Syndrome.
8.9
84,551
8,753

13,485
players

5. Ready or Not

Similarity 52% Ready or Not is an intense, tactical, first-person shooter that depicts a modern-day world in which SWAT police units are called to defuse hostile and confronting situations. Ready or Not is a tactical, realistic and fps game developed by and published by Void Interactive. Released on December 13th 2023 has received 229,302 reviews of which 204,210 were positive and 25,092 were negative resulting in a rating of 8.8 out of 10. With 7,065 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Syndrome.
8.8
204,210
25,092

7,065
players

6. Deep Rock Galactic

Similarity 64% Deep Rock Galactic is a 1-4 player co-op FPS featuring badass space Dwarves, 100% destructible environments, procedurally-generated caves, and endless hordes of alien monsters. Deep Rock Galactic is a dwarf, co-op and pve game developed by Ghost Ship Games and published by Coffee Stain Publishing. Released on May 13th 2020 has received 338,542 reviews of which 329,265 were positive and 9,277 were negative resulting in an impressive rating of 9.6 out of 10. With 5,181 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Syndrome.
9.6
329,265
9,277

5,181
players

7. Warhammer 40,000: Darktide

Similarity 55% Take back the city of Tertium from hordes of bloodthirsty foes in this intense and brutal action shooter. Warhammer 40,000: Darktide is the new co-op focused experience from the award-winning team behind the Vermintide series. As Tertium falls, Rejects Will Rise. Warhammer 40,000: Darktide is a action-adventure, horror and combat game developed and published by Fatshark. Released on November 30th 2022 has received 111,015 reviews of which 78,530 were positive and 32,485 were negative resulting in a rating of 7.0 out of 10. With 4,196 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Syndrome.
7.0
78,530
32,485

4,196
players

8. Halo: The Master Chief Collection

Similarity 57% The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience. Whether you’re a long-time fan or meeting Spartan 117 for the first time, The Master Chief Collection is the definitive Halo gaming experience. Halo: The Master Chief Collection is a great soundtrack, fps and classic game developed by 343 Industries, Splash Damage, Ruffian Games, Bungie and Saber Interactive and published by Xbox Game Studios. Released on December 03rd 2019 has received 239,857 reviews of which 221,654 were positive and 18,203 were negative resulting in an impressive rating of 9.1 out of 10. With 3,901 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Syndrome.
9.1
221,654
18,203

3,901
players

9. Dying Light

Similarity 55% First-person action survival game set in a post-apocalyptic open world overrun by flesh-hungry zombies. Roam a city devastated by a mysterious virus epidemic. Scavenge for supplies, craft weapons, and face hordes of the infected. Dying Light is a zombies, survival horror and horror game developed and published by Techland. Released on January 27th 2025 has received 453,392 reviews of which 431,661 were positive and 21,731 were negative resulting in an impressive rating of 9.4 out of 10. With 2,994 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Syndrome.
9.4
431,661
21,731

2,994
players

10. Into the Dead: Our Darkest Days

Similarity 53% Texas, 1980. Walton City has fallen to a zombie outbreak. Lead a band of desperate survivors from refuge to refuge by scavenging, crafting, and fighting in a relentless struggle for survival. Plan wisely, stick together, and — above all — keep moving if you want to make it out alive. Into the Dead: Our Darkest Days is a early access, survival and zombies game developed by PikPok and published by PikPok and Boltray Games. Released on April 09th 2025 has received 2,098 reviews of which 1,661 were positive and 437 were negative resulting in a rating of 7.6 out of 10. With 2,589 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Syndrome.
7.6
1,661
437

2,589
players

Best deals on games like Syndrome on Steam

Discover fantastic savings with the best discounts on a variety of games like Syndrome 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 Syndrome.

1. Metro 2033 Redux

Similarity 71% 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. My Friendly Neighborhood

Similarity 62% Something scary is happening with everyone's favorite Saturday morning puppet show, The Friendly Neighborhood! Play as Gordon, a repairman sent to get to the bottom of this disturbing dilemma. Fend off puppets and solve puzzles in this survival horror adventure. My Friendly Neighborhood is a singleplayer, survival horror and funny game developed by John Szymanski and Evan Szymanski and published by DreadXP. Released on July 18th 2023 has received 2,716 reviews of which 2,597 were positive and 119 were negative resulting in an impressive rating of 9.1 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like Syndrome.
9.1
2,597
119

-95% 31.20€ 1.56€

3. Ad Infinitum

Similarity 54% 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. Thanks to its incredible 94% discount, this game is now the #3 best deal in games like Syndrome.
7.7
688
166

-94% 35.50€ 2.13€

4. GET EVEN

Similarity 54% Take a deep breath... Try to remember: a girl, a chair, a bomb. Just keep... calm. Follow the voice into the depths of you memory. Relax... and search for the darkest memories in the deepest recesses of your mind. Can you find her? The clock is ticking... And this is just a part of the treatment. GET EVEN is a action, psychological horror and mystery game developed by The Farm 51 and published by Bandai Namco Entertainment. Released on June 20th 2017 has received 1,731 reviews of which 1,310 were positive and 421 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 93% discount, this title has earned the #4 position in the best deals for games like Syndrome.
7.3
1,310
421

-93% 29.57€ 2.07€

5. F.E.A.R. 3

Similarity 53% F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline. F.E.A.R. 3 is a fps, horror and co-op game developed by Day 1 Studios and published by Warner Bros. Interactive Entertainment. Released on June 21st 2011 has received 12,621 reviews of which 8,996 were positive and 3,625 were negative resulting in a rating of 7 out of 10. Currently offered at a significant 93% discount, this title has earned the #5 position in the best deals for games like Syndrome.
7
8,996
3,625

-93% 19.71€ 1.38€

6. INDUSTRIA

Similarity 55% Embark on a gripping journey in INDUSTRIA, an atmospheric FPS set in Cold War-era East Berlin. Unravel the secrets of a mysterious parallel dimension while searching for a missing colleague. Explore a haunting reality where the truth awaits. Discover the dark past that lies beyond. INDUSTRIA is a fps, action and sci-fi game developed by Bleakmill and published by Headup. Released on September 30th 2021 has received 3,171 reviews of which 2,251 were positive and 920 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 93% discount, this title has earned the #6 position in the best deals for games like Syndrome.
6.9
2,251
920

-93% 20.86€ 1.46€

7. Enemy Front

Similarity 53% ENEMY FRONT is the first truly modern WW2 FPS, featuring stunning visuals, open-ended levels and a richly interactive combat experience that breaks out of the standard model of highly linear scripted FPS experiences, giving the player full freedom to own their playing style. Enemy Front is a action, fps and world war ii game developed and published by CI Games. Released on June 10th 2014 has received 5,422 reviews of which 3,592 were positive and 1,830 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 93% discount, this title has earned the #7 position in the best deals for games like Syndrome.
6.5
3,592
1,830

-93% 19.00€ 1.33€

8. Metro 2033 Redux

Similarity 71% 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 75% 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 Syndrome.
8.9
62,362
6,507

-92% 19.75€ 1.58€

10. Killing Floor 2

Similarity 62% In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem. Killing Floor 2 is a zombies, multiplayer and online co-op game developed and published by Tripwire Interactive. Released on November 18th 2016 has received 126,438 reviews of which 110,946 were positive and 15,492 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 92% discount, this title has earned the #10 position in the best deals for games like Syndrome.
8.7
110,946
15,492

-92% 29.13€ 2.33€

Free games like Syndrome on Steam

Check out this fantastic list of free-to-play games like Syndrome 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 Syndrome.

1. Metro 2033 Redux

Similarity 71% 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 Syndrome.
8.9
84,551
8,753

13,485
players

2. SCP: Secret Laboratory

Similarity 73% 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 Syndrome.
9.0
193,314
17,998

2,104
players

3. Poppy Playtime

Similarity 53% 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 Syndrome.
8.4
82,683
14,684

916
players

4. Cry of Fear

Similarity 72% 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 Syndrome.
8.7
64,708
8,403

346
players

5. No More Room in Hell

Similarity 62% The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. There's no known cure. One bite can possibly end it all for you. However, you aren't alone in this nightmare. No More Room in Hell is a free to play, zombies and multiplayer game developed by No More Room in Hell Team and published by Lever Games. Released on October 31st 2013 has received 73,867 reviews of which 66,402 were positive and 7,465 were negative resulting in a rating of 8.9 out of 10. Attracting a solid base of 270 players due to its free access, this strategy game has achieved the #5 position in the best free games like Syndrome.
8.9
66,402
7,465

270
players

6. Ultimate Custom Night

Similarity 54% 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 #6 position in the best free games like Syndrome.
9.3
55,013
2,844

177
players

7. Deceit

Similarity 69% Test your instincts at trust and deception in an action-filled, multiplayer first-person shooter. You wake up in unknown surroundings to the sound of the Game Master’s unfamiliar voice, surrounded by five others. A third of your group have been infected with a virus, but who will escape? Deceit is a pvp, multiplayer and horror game developed and published by World Makers. Released on March 03rd 2017 has received 93,043 reviews of which 73,649 were positive and 19,394 were negative resulting in a rating of 7.8 out of 10. Attracting a solid base of 127 players due to its free access, this strategy game has achieved the #7 position in the best free games like Syndrome.
7.8
73,649
19,394

127
players

8. KUBOOM

Similarity 57% Cross-platform hurricane online 3D Shooter KUBOOM is a free to play, action and multiplayer game developed and published by nobodyshot. Released on October 07th 2016 has received 3,962 reviews of which 2,444 were positive and 1,518 were negative resulting in a rating of 6.1 out of 10. The game currently holds the #8 spot among the most played free games like Syndrome.
6.1
2,444
1,518

81
players

9. SCP: Labrat

Similarity 52% 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 Syndrome.
8.0
3,242
694

28
players

10. Zombie Panic! Source

Similarity 65% Dive into the zombie apocalypse with Zombie Panic! Source: a cooperative, survival-horror first-person-shooter. A fast-paced standalone modification. Zombie Panic! Source is a free to play, zombies and multiplayer game developed and published by Zombie Panic! Team. Released on October 03rd 2008 has received 7,712 reviews of which 6,527 were positive and 1,185 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #10 spot among the most played free games like Syndrome.
8.2
6,527
1,185

24
players