Games like Nuclear Nightmare on Steam

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

Filters & Lists

CastleMiner Z

CastleMiner Z is an infinite world filled with deep places to explore, and horrifying monsters to slay. Build structures out of blocks, craft weapons and tools from raw materials, and explore the vast and frightening world around you.

Similarity 58%
Price 5.89€
Rating 7.9
Release 03 Feb 2014

Aliens: Colonial Marines Collection

You & your friends are the deadliest killers in the galaxy – the US Colonial Marines. It’s up to you to not just survive, but wipe out the Xeno infestation.

Similarity 58%
Price -80% 5.99€
Rating 6.0
Release 01 May 2012

Drive Beyond Horizons

Rev up your engines and venture into the unknown with Drive Beyond Horizons! Conquer dynamic landscapes, customize your ride, and unearth hidden treasures. Get ready for heart-pounding challenges and endless excitement. Your adventure starts now !

Similarity 57%
Price 24.50€
Rating 7.9
Release 24 Mar 2025

Project Unknown

An online co-op horror game featuring unique playable characters and RPG mechanics. Exorcise ghosts using your special abilities and tools while surviving the supernatural onslaught

Similarity 57%
Price 9.75€
Rating 8.1
Release 12 Jul 2024

Ghost Watchers

Ghost Watchers is a co-op online horror game. You will explore and hunt ghosts in abandoned houses

Similarity 57%
Price -46% 6.76€
Rating 8.4
Release 28 Jul 2022

Obsideo

Obsideo is a 1-4 player online co-op psychological horror, where you and your team of priests explore different locations experiencing paranormal events in an attempt to figure out what ghost they're dealing with and exorcise it from the property.

Similarity 57%
Price 9.99€
Rating 6.4
Release 27 Aug 2021

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 57%
Price 9.75€
Rating 7.9
Release 28 Feb 2019

Witch Hunt

Witch Hunt is a challenging horror themed hunting game that takes place in the 18th century. Main focus of the game is on exploration, non-linearity, and atmosphere.

Similarity 57%
Price -50% 4.87€
Rating 8.5
Release 03 Sep 2018

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 57%
Price -75% 2.43€
Rating 6.8
Release 13 Mar 2017

Kholat

The most terrifying journey of your life set in the beautiful winter scenery of the Ural Mountains. Uncover the horrific mystery behind the Dyatlov Pass Incident. Narrated by the famous Sean Bean.

Similarity 57%
Price -83% 3.05€
Rating 6.6
Release 09 Jun 2015

Counter-Strike Nexon

Counter-Strike Nexon is a Free to Play MMOFPS offering competitive PvP and PvE action including content from the original Counter-Strike and all new game modes, map creation function, weapons, and hordes of Zombies!

Similarity 57%
Price Free to play
Rating 6.6
Release 07 Oct 2014

F.E.A.R. 2: Project Origin

Assume the role of Special Forces Sgt. Becket as your routine mission quickly turns into a fight for survival against the wrath of Alma Wade. As Alma's terrifying power surges out of control, your squad is forced to battle through an apocalyptic landscape in search of clues for how to destroy her!

Similarity 57%
Price 14.99€
Rating 8.3
Release 12 Feb 2009

Vade Retro : Exorcist

Vade Retro is a PvP exorcism game up to 4 player. Play as Demon and make your opponents go through hell, or join the exorcist team by choosing a specialty to save victims from the devil's grip in this action-packed experience.

Similarity 57%
Price 5.69€
Rating 6.8
Release 27 Oct 2022

The Backrooms: Survival

Survival horror with roguelike elements. Explore randomized levels with different items and entities while trying to maintain your thirst, hunger, and sanity, ensuring a new experience every time. Play alone or with up to TEN friends online! Cross-platform multiplayer with Nintendo Switch.

Similarity 57%
Price 9.75€
Rating 7.9
Release 15 Sep 2023

Secret Neighbor: Hello Neighbor Multiplayer

Hello Neighbor Multiplayer. Secret Neighbor is a Multiplayer Social Horror Game where a group of intruders try to rescue their friend from the Neighbor's creepy basement. Only problem is one of the intruders is the Neighbor in disguise.

Similarity 57%
Price 19.50€
Rating 8.5
Release 24 Oct 2019

Deceit

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?

Similarity 57%
Price Free to play
Rating 7.8
Release 03 Mar 2017

SOMA

From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.

Similarity 57%
Price 28.99€
Rating 9.4
Release 21 Sep 2015

Last Floor

Оne day your life changes dramatically and you become a hostage of your own home. Your task is to survive but to do this you need to get outside.

Similarity 56%
Price -80% 0.57€
Rating 6.8
Release 16 Mar 2020

Back 4 Blood

Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action.

Similarity 56%
Price -92% 4.98€
Rating 6.8
Release 12 Oct 2021

Prehistoric Hunt

Dive into intense dinosaur hunting adventures with your friends. Complete hunting contracts for Preton Corporation. Gather rewards, improve your equipment and become a master hunter. Are you the hunter or the hunted?

Similarity 56%
Price 14.99€
Rating 7.7
Release 01 Dec 2020

Visage

Visage is a first-person psychological horror game. Explore a mysterious ever-changing house in a slow-paced, atmospheric world that combines both uncannily comforting and horrifyingly realistic environments, and enjoy a genuinely terrifying experience.

Similarity 56%
Price 29.99€
Rating 8.3
Release 29 Oct 2020

The Wild Eight

The Wild Eight is an intense survival action-adventure set in the frozen wilderness of Alaska. Team up with friends in online co-op or go solo, explore the mysterious land, craft weapons and fight to live another day.

Similarity 56%
Price 24.99€
Rating 6.7
Release 03 Oct 2019

Viscera Cleanup Detail: Santa's Rampage

Tragedy! Santa; the toy giving folk-hero, and purveyor of fine Christmas goods, has had enough. Endless requests from greedy children wanting more and more every year, tax increases, pressure from elf unions, bills, reindeer!

Similarity 56%
Price 2.49€
Rating 8.8
Release 13 Dec 2013

Borderlands: The Pre-Sequel

Launch into the Borderlands universe and shoot ‘n’ loot your way through a brand new adventure that rockets you onto Pandora’s moon in Borderlands: The Pre-Sequel!

Similarity 56%
Price -93% 2.94€
Rating 8.0
Release 16 Oct 2014

Most played games like Nuclear Nightmare on Steam

Take a look at the top games like Nuclear Nightmare that are currently attracting the largest player bases on the Steam platform, as of May 01st 2025.

1. R.E.P.O.

Similarity 54% An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires. R.E.P.O. is a horror, online co-op and comedy game developed and published by semiwork. Released on February 26th 2025 has received 141,665 reviews of which 136,708 were positive and 4,957 were negative resulting in an impressive rating of 9.5 out of 10. The game has hit the top spot as the #1 most played game like Nuclear Nightmare, thanks to its 71,907 peak concurrent players over the last day.
9.5
136,708
4,957

71,907
players

2. DayZ

Similarity 64% 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 426,541 reviews of which 326,984 were positive and 99,557 were negative resulting in a rating of 7.6 out of 10. While seeing 35,584 players online at once in the last 24 hours, this game is currently ranked #2 among games like Nuclear Nightmare based on player count.
7.6
326,984
99,557

35,584
players

3. Dead by Daylight

Similarity 61% 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 790,041 reviews of which 624,264 were positive and 165,777 were negative resulting in a rating of 7.9 out of 10. While seeing 31,960 players online at once in the last 24 hours, this game is currently ranked #3 among games like Nuclear Nightmare based on player count.
7.9
624,264
165,777

31,960
players

4. Left 4 Dead 2

Similarity 52% 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 955,598 reviews of which 932,058 were positive and 23,540 were negative resulting in an impressive rating of 9.7 out of 10. With 21,861 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Nuclear Nightmare.
9.7
932,058
23,540

21,861
players

5. Forza Horizon 5

Similarity 53% Explore the vibrant open world landscapes of Mexico with limitless, fun driving action in the world’s greatest cars. Forza Horizon 5 is a racing, open world and driving game developed by Playground Games and published by Xbox Game Studios. Released on November 08th 2021 has received 220,098 reviews of which 195,093 were positive and 25,005 were negative resulting in a rating of 8.8 out of 10. With 13,216 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Nuclear Nightmare.
8.8
195,093
25,005

13,216
players

6. Hunt: Showdown 1896

Similarity 53% Hunt: Showdown 1896 is a new era of the addictively unforgiving extraction shooter. In corrupted backwaters lost to history, fight back alone – or with friends – against timeless evil. Twisted monsters and other ruthless Hunters stand between you and your Bounty. Risk everything as Hunt consumes you Hunt: Showdown 1896 is a open world, extraction shooter and multiplayer game developed and published by Crytek. Released on August 27th 2019 has received 246,431 reviews of which 180,027 were positive and 66,404 were negative resulting in a rating of 7.3 out of 10. With 11,980 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Nuclear Nightmare.
7.3
180,027
66,404

11,980
players

7. Don't Starve Together

Similarity 61% 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 495,991 reviews of which 472,630 were positive and 23,361 were negative resulting in an impressive rating of 9.4 out of 10. With 11,016 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Nuclear Nightmare.
9.4
472,630
23,361

11,016
players

8. Drive Beyond Horizons

Similarity 57% Rev up your engines and venture into the unknown with Drive Beyond Horizons! Conquer dynamic landscapes, customize your ride, and unearth hidden treasures. Get ready for heart-pounding challenges and endless excitement. Your adventure starts now ! Drive Beyond Horizons is a early access, adventure and action game developed by Drive Beyond Horizons and published by Tacty Studio and Santor Games. Released on March 24th 2025 has received 1,436 reviews of which 1,180 were positive and 256 were negative resulting in a rating of 7.9 out of 10. With 8,364 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Nuclear Nightmare.
7.9
1,180
256

8,364
players

9. Sea of Thieves: 2025 Edition

Similarity 62% Sea of Thieves is a smash-hit pirate adventure game, offering the quintessential pirate experience of plundering lost treasures, intense battles, vanquishing sea monsters and more. Dive in with this revised edition of the game, which includes access to digital bonus media. Sea of Thieves: 2025 Edition is a multiplayer, open world and adventure game developed by Rare Ltd and published by Xbox Game Studios. Released on June 03rd 2020 has received 353,156 reviews of which 315,450 were positive and 37,706 were negative resulting in a rating of 8.9 out of 10. With 7,800 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Nuclear Nightmare.
8.9
315,450
37,706

7,800
players

10. Sons Of The Forest

Similarity 64% Sent to find a missing billionaire on a remote island, you find yourself in a cannibal-infested hellscape. Craft, build, and struggle to survive, alone or with friends, in this terrifying new open-world survival horror simulator. Sons Of The Forest is a survival, open world and multiplayer game developed by Endnight Games Ltd and published by Newnight . Released on February 22nd 2024 has received 250,834 reviews of which 220,004 were positive and 30,830 were negative resulting in a rating of 8.7 out of 10. With 6,832 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Nuclear Nightmare.
8.7
220,004
30,830

6,832
players

Best deals on games like Nuclear Nightmare on Steam

Discover fantastic savings with the best discounts on a variety of games like Nuclear Nightmare available on Steam right now, updated on May 01st 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Nuclear Nightmare.

1. My Friendly Neighborhood

Similarity 50% 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 2,725 reviews of which 2,606 were positive and 119 were negative resulting in an impressive rating of 9.1 out of 10. Featuring a massive 96% discount, this game currently holds the #1 spot in the best deals for games like Nuclear Nightmare.
9.1
2,606
119

-96% 32.50€ 1.30€

2. Maid of Sker

Similarity 64% Maid of Sker is a first-person survival horror, set in a remote hotel with a gory and macabre history from Welsh folklore. Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe! Maid of Sker is a horror, adventure and action game developed and published by Wales Interactive. Released on July 28th 2020 has received 2,177 reviews of which 1,718 were positive and 459 were negative resulting in a rating of 7.6 out of 10. Thanks to its incredible 94% discount, this game is now the #2 best deal in games like Nuclear Nightmare.
7.6
1,718
459

-94% 23.67€ 1.42€

3. Borderlands: The Pre-Sequel

Similarity 56% Launch into the Borderlands universe and shoot ‘n’ loot your way through a brand new adventure that rockets you onto Pandora’s moon in Borderlands: The Pre-Sequel! Borderlands: The Pre-Sequel is a looter shooter, co-op and fps game developed by 2K Australia, Gearbox Software and Aspyr (Linux) and published by Aspyr (Linux) and 2K. Released on October 16th 2014 has received 41,307 reviews of which 33,563 were positive and 7,744 were negative resulting in a rating of 8 out of 10. Thanks to its incredible 93% discount, this game is now the #3 best deal in games like Nuclear Nightmare.
8
33,563
7,744

-93% 42.00€ 2.94€

4. Ad Infinitum

Similarity 51% 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 870 reviews of which 702 were positive and 168 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 93% discount, this title has earned the #4 position in the best deals for games like Nuclear Nightmare.
7.7
702
168

-93% 32.71€ 2.29€

5. F.E.A.R. 3

Similarity 54% 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 12,665 reviews of which 9,019 were positive and 3,646 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 Nuclear Nightmare.
7
9,019
3,646

-93% 19.71€ 1.38€

6. Killing Floor 2

Similarity 59% 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 126,532 reviews of which 111,048 were positive and 15,484 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 92% discount, this title has earned the #6 position in the best deals for games like Nuclear Nightmare.
8.7
111,048
15,484

-92% 29.13€ 2.33€

7. Strange Brigade

Similarity 50% Embark on an exotic journey into danger in this rip-roaring 1930s third person adventure for 1-4 players! Encounter pulse-pounding action, treacherous traps and tales of derring-do! Strange Brigade is a action, adventure and co-op game developed and published by Rebellion. Released on August 27th 2018 has received 10,667 reviews of which 8,990 were positive and 1,677 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 92% discount, this title has earned the #7 position in the best deals for games like Nuclear Nightmare.
8.2
8,990
1,677

-92% 49.13€ 3.93€

8. The Blackout Club

Similarity 64% 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. The Blackout Club is a horror, co-op and indie game developed and published by Question. Released on July 29th 2019 has received 2,830 reviews of which 2,203 were positive and 627 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 92% discount, this title has earned the #8 position in the best deals for games like Nuclear Nightmare.
7.5
2,203
627

-92% 30.00€ 2.40€

9. Back 4 Blood

Similarity 56% Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action. Back 4 Blood is a zombies, online co-op and multiplayer game developed by Turtle Rock Studios and published by Warner Bros. Games. Released on October 12th 2021 has received 67,866 reviews of which 46,414 were positive and 21,452 were negative resulting in a rating of 6.8 out of 10. Currently offered at a significant 92% discount, this title has earned the #9 position in the best deals for games like Nuclear Nightmare.
6.8
46,414
21,452

-92% 62.25€ 4.98€

10. The Long Dark

Similarity 51% THE LONG DARK is a thoughtful, exploration-survival experience that challenges solo players to think for themselves as they explore an expansive frozen wilderness in the aftermath of a geomagnetic disaster. There are no zombies -- only you, the cold, and all the threats Mother Nature can muster. The Long Dark is a survival, open world survival craft and open world game developed and published by Hinterland Studio Inc.. Released on August 01st 2017 has received 110,202 reviews of which 99,943 were positive and 10,259 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 90% discount, this title has earned the #10 position in the best deals for games like Nuclear Nightmare.
9.0
99,943
10,259

-90% 29.99€ 2.99€

Free games like Nuclear Nightmare on Steam

Check out this fantastic list of free-to-play games like Nuclear Nightmare you can enjoy on Steam right now, updated on May 01st 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Nuclear Nightmare.

1. SCP: Secret Laboratory

Similarity 70% 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 212,134 reviews of which 194,042 were positive and 18,092 were negative resulting in an impressive rating of 9.0 out of 10. With 3,015 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Nuclear Nightmare.
9.0
194,042
18,092

3,015
players

2. No More Room in Hell

Similarity 64% 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 74,001 reviews of which 66,520 were positive and 7,481 were negative resulting in a rating of 8.9 out of 10. Thanks to its free to play tag and a daily player base of 353, this game has secured the #2 spot in the ranking of free games like Nuclear Nightmare.
8.9
66,520
7,481

353
players

3. Counter-Strike Nexon

Similarity 57% Counter-Strike Nexon is a Free to Play MMOFPS offering competitive PvP and PvE action including content from the original Counter-Strike and all new game modes, map creation function, weapons, and hordes of Zombies! Counter-Strike Nexon is a free to play, fps and zombies game developed by Valve and NEXON and published by NEXON. Released on October 07th 2014 has received 42,618 reviews of which 28,330 were positive and 14,288 were negative resulting in a rating of 6.6 out of 10. Thanks to its free to play tag and a daily player base of 339, this game has secured the #3 spot in the ranking of free games like Nuclear Nightmare.
6.6
28,330
14,288

339
players

4. Cry of Fear

Similarity 65% 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 73,466 reviews of which 65,020 were positive and 8,446 were negative resulting in a rating of 8.7 out of 10. Attracting a solid base of 318 players due to its free access, this strategy game has achieved the #4 position in the best free games like Nuclear Nightmare.
8.7
65,020
8,446

318
players

5. Deceit

Similarity 57% 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 93,021 reviews of which 73,623 were positive and 19,398 were negative resulting in a rating of 7.8 out of 10. Attracting a solid base of 278 players due to its free access, this strategy game has achieved the #5 position in the best free games like Nuclear Nightmare.
7.8
73,623
19,398

278
players

6. PROJECT: PLAYTIME

Similarity 62% PROJECT: PLAYTIME is a Free-to-Play multiplayer horror game where six players attempt to create one giant toy while surviving a terrifying monster that roams the toy factory. A seventh player controls the monster and is given only one goal: Find and kill everyone. PROJECT: PLAYTIME is a multiplayer, horror and survival horror game developed and published by Mob Entertainment. Released on December 12th 2022 has received 49,775 reviews of which 39,087 were positive and 10,688 were negative resulting in a rating of 7.7 out of 10. Attracting a solid base of 214 players due to its free access, this strategy game has achieved the #6 position in the best free games like Nuclear Nightmare.
7.7
39,087
10,688

214
players

7. We Were Here

Similarity 62% Lost in a frozen wasteland and split up from your partner inside an abandoned castle, the only possession you have left is a walkie-talkie with a familiar voice on the other end. Can the two of you find your way out in time? We Were Here is a free to play, co-op and escape room game developed and published by Total Mayhem Games. Released on February 03rd 2017 has received 29,725 reviews of which 26,809 were positive and 2,916 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 184 players due to its free access, this strategy game has achieved the #7 position in the best free games like Nuclear Nightmare.
8.8
26,809
2,916

184
players

8. Dodgy Deliveries

Similarity 68% Co-op "Horror" game about running a delivery service with your friends! B̵̨̦͓͖̹̪̥̮͛̀̏̈́̐̔̉Ę̴̤̦̤͓̰̤́͗̚ ̵̨̺͓̱̞͔͉͙̀̂͂͋͠͠Ç̸̫͈̋͋͆̋̾̑̕͜Ä̴̛̟͑͛͋͂̌̕͜͝R̵̛͎̮̜̒̽̈́͂̓̒͘Ę̸͉̙̎̀͐͆Ḟ̶̼͖̭͇̗U̸̡̫͇̤̭̪̦̣̔Ḷ̶̛͖̙͗̋̈̇̕ ̷̡̢͕̦̜͚̌̎̃̔Ā̷̧͇͎̳͔̩̜̤̗͊̋Ţ̸̭̩͚̮͖͇̹̬̾ ̷͍̞̰͈̻̣͚̂̾ͅN̵̛̤͒̏̒͝Ḯ̵̡̘͇̖̏͘Ģ̸̛͙̥̞̽̀͒͜H̶̲̜̺̐̄͋͊̍̈́͘͜T̴̯̲̳̪͚̜̼̈͠ Dodgy Deliveries is a online co-op, horror and co-op game developed by Tomas Gonzalez and German Rieck and published by Deliver Games. Released on January 31st 2025 has received 855 reviews of which 670 were positive and 185 were negative resulting in a rating of 7.5 out of 10. The game currently holds the #8 spot among the most played free games like Nuclear Nightmare.
7.5
670
185

80
players

9. Indigo Park: Chapter 1

Similarity 54% 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 20,666 reviews of which 19,744 were positive and 922 were negative resulting in an impressive rating of 9.3 out of 10. The game currently holds the #9 spot among the most played free games like Nuclear Nightmare.
9.3
19,744
922

42
players

10. SCP: Labrat

Similarity 63% 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 3,951 reviews of which 3,256 were positive and 695 were negative resulting in a rating of 8.0 out of 10. The game currently holds the #10 spot among the most played free games like Nuclear Nightmare.
8.0
3,256
695

30
players