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.

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GUARDS!

GUARDS! is a 1-4 player coop fantasy FPS that puts you in the underfunded and over-zealous steel boots of the City Watch. Kick down doors, bust criminals and cause excessive property damage as you fight to restore law and order to the corrupt city of New Alestead.

Similarity 50%
Price -75% 3.69€
Rating 6.7
Release 01 Mar 2024

The Bridge Curse 2: The Extrication

Try to escape with your life in a first-person survival horror adventure. Play through the eyes of four distinct characters as you evade and confront terrifying ghosts, unravel mind-bending puzzles, and unearth a sinister conspiracy…

Similarity 50%
Price -60% 9.88€
Rating 8.9
Release 09 May 2024

Maurice: In The Predator's Nest

Plunge into "Maurice: Predator's Nest". A survival game where you're either a cunning survivor or a fearsome predator in a dark, treacherous world. Outwit or hunt in this thrilling battle for survival.

Similarity 50%
Price Free to play
Rating 7.4
Release 05 Dec 2022

The Backrooms: Lost Tape

You work in the cinema as an usher and accidentally fell into the Backrooms, now being trapped, needing to unravel the mysteries of the yellow rooms in order to get out of this place, but be careful, there are entities that will be in your way.

Similarity 50%
Price 8.79€
Rating 8.1
Release 23 Dec 2022

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 50%
Price 28.99€
Rating 7.2
Release 01 Nov 2022

My Friendly Neighborhood

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.

Similarity 50%
Price -96% 1.30€
Rating 9.1
Release 18 Jul 2023

HORROR TALES: The Wine

Explore a post-pandemic fictional Mediterranean island and confront your fears! Immerse yourself in a seemingly abandoned city and struggle to find a precious Banydebosc red wine bottle to cure your loved ones. But be aware; your Nemesis is hunting you. Indie Jumpscares included! :D

Similarity 50%
Price 11.79€
Rating 7.5
Release 30 Jul 2021

The Backrooms Game FREE Edition

Nothing but the stink of old, moist carpets, the madness of mono-yellow, and the blinding light of fluorescent bulbs at maximum hum-buzz. Over 600 million sq. miles of randomly segmented rooms. God save you if you hear something wandering nearby, because it sure as hell has heard you.

Similarity 50%
Price Free to play
Rating 7.8
Release 25 Jul 2019

Shattered Lights

Shattered Lights is a VR psychological horror room-scale experience, which focuses on drawing the player into the game with unparalleled immersion.

Similarity 50%
Price Free to play
Rating 8.2
Release 11 Jun 2019

Into the Radius VR

Into the Radius is a single-player survival shooter in VR. Explore the Pechorsk zone filled with surreal landscapes and dangerous anomalies. Defend yourself with realistic firearms, recover strange artifacts, scavenge for loot, and uncover the mysteries of this unforgiving dystopian environment.

Similarity 50%
Price 28.99€
Rating 9.1
Release 20 Jul 2020

MudRunner

MudRunner is the ultimate off-road experience putting the players in the driver seat and dares them to take charge of incredible all-terrain vehicles, venturing across extreme Siberian landscapes with only a map and compass as guides!

Similarity 50%
Price -83% 3.48€
Rating 8.9
Release 30 Oct 2017

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 50%
Price 29.99€
Rating 9.0
Release 12 Oct 2017

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 50%
Price -32% 6.81€
Rating 8.6
Release 09 Mar 2017

Transmissions: Element 120

TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?

Similarity 50%
Price Free to play
Rating 9.2
Release 16 Jun 2016

LEGO® Pirates of the Caribbean: The Video Game

LEGO® Pirates of the Caribbean: The Video Game is an action adventure game that brings the Pirates of the Caribbean world and all its colorful characters to life in LEGO Brick form. Players experience all the memorable scenes from all four films in the humorous and quirky LEGO Video Games style.

Similarity 50%
Price 19.50€
Rating 8.8
Release 06 Oct 2014

Resident Evil Revelations 2

RE Revelations 2 continues the series acclaimed essential survival horror experience, while uncovering startling truths.

Similarity 50%
Price -75% 4.99€
Rating 7.7
Release 24 Feb 2015

Obscure II (Obscure: The Aftermath)

Two years ago, a group of young teenagers found themselves trapped inside their school. They suffered through the longest night of their lives, chased by abominable creatures created by their principal. Some of them survived that terrible night, while others perished.

Similarity 50%
Price -50% 4.99€
Rating 7.8
Release 10 Mar 2014

Resident Evil 6

Blending action and survival horror, Resident Evil 6 promises to be the dramatic horror experience of 2013.

Similarity 50%
Price -75% 4.99€
Rating 7.8
Release 21 Mar 2013

Starbound

You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...

Similarity 50%
Price -60% 5.65€
Rating 9.1
Release 22 Jul 2016

Serious Sam 2

Serious Sam 2 is a shot of adrenaline to the hearts of first-person shooter fans across the world. This is serious!

Similarity 50%
Price -74% 2.53€
Rating 8.7
Release 31 Jan 2012

Resident Evil 5

This game is a port of the Games for Windows - Live version that was released in 2009. If you buy the Untold Stories Bundle here on Steam, it will be the same as upgrading to Resident Evil 5 Gold Edition.

Similarity 50%
Price -75% 4.99€
Rating 8.6
Release 15 Sep 2009

Far Cry®

A tropical paradise seethes with hidden evil in Far Cry®, a cunningly detailed action shooter that pushes the boundaries of combat to shocking new levels. Freelance mariner Jack Carver is cursing the day he ever came to this island.

Similarity 50%
Price 9.99€
Rating 8.0
Release 01 Apr 2008

The Complex: Expedition

When an expedition with your team into the complex goes horribly wrong, you're left alone and lost, wandering the seemingly infinite maze of hallways, otherwise known as the Backrooms. Might there be something following you?

Similarity 50%
Price 9.75€
Rating 8.7
Release 17 Jul 2023

Eresys

Eresys is a co-op horror game inspired from the works of H.P. Lovecraft. Teamwork is a key as players take on the roles of four cultists and face the terrifying entities together. Dynamic AI mechanics and unique enemies, Eresys promises to deliver a thrilling and spine-chilling gaming experience.

Similarity 50%
Price 8.79€
Rating 6.3
Release 18 Dec 2023

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 2,655 reviews of which 2,135 were positive and 520 were negative resulting in a rating of 7.8 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.
7.8
2,135
520

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 2,732 reviews of which 2,613 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
2,613
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