Games like Contagion on Steam

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

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Killing Floor 2

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.

Similarity 77%
Price -92% 2.33€
Rating 8.7
Release 18 Nov 2016

Codename CURE

Codename CURE is a first person, co-operative zombie game with support for up to five players, providing dynamic, fast-paced zombie fragging with both objective, and survival-based missions.

Similarity 72%
Price Free to play
Rating 8.3
Release 31 Oct 2017

Left 4 Dead 2

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.

Similarity 71%
Price 9.75€
Rating 9.7
Release 16 Nov 2009

Left 4 Dead

From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.

Similarity 70%
Price 9.75€
Rating 9.5
Release 17 Nov 2008

DayZ

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.

Similarity 70%
Price -38% 29.99€
Rating 7.6
Release 13 Dec 2018

Zombie Carnage 2

Zombie Carnage 2 is a 32 player first person shooter where you will play both as a human and zombie. By killing zombies and infecting humans you will permanently level up, unlock weapons, attachments, zombie classes and more.

Similarity 69%
Price Free to play
Rating 6.2
Release 03 Feb 2022

Hellbreach: Vegas

Hellbreach: Vegas is a Wave-based First-Person Shooter for 1-4 players, made with passion by a one man dev team! Set your loadout, kill, and earn cash. Take a spin on the various slot machines and level up to improve your survival chances. Are you ready to try your luck?

Similarity 67%
Price -56% 6.58€
Rating 7.1
Release 14 Aug 2024

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 66%
Price -92% 4.98€
Rating 6.8
Release 12 Oct 2021

World War Z

World War Z is a heart-pounding coop third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies, focused on fast-paced, gruesomely spectacular action.

Similarity 66%
Price 29.99€
Rating 8.2
Release 21 Sep 2021

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 65%
Price Free to play
Rating 6.6
Release 07 Oct 2014

ZOMBI

London is falling. Are you prepared? The Last Blight is upon us. It was foretold. For the second time in history, a great plague has shrouded London in a fog of death. Big Ben tolls as thousands of unprepared die, or worse, are infected by a sickness more gruesome than death.

Similarity 64%
Price 19.99€
Rating 6.3
Release 18 Aug 2015

No More Room in Hell

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.

Similarity 64%
Price Free to play
Rating 8.9
Release 31 Oct 2013

Arizona Sunshine®

Built exclusively for VR, Arizona Sunshine® puts you and up to 3 fellow survivors in the midst of a zombie apocalypse. Survive solo or in co-op, handle weapons with real-life movements, and explore a post-apocalyptic world in VR. Putting the undead back to rest is more thrilling than ever before.

Similarity 63%
Price 19.99€
Rating 7.8
Release 06 Dec 2016

Killing Floor

6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!

Similarity 63%
Price 19.99€
Rating 9.3
Release 14 May 2009

Propagation VR

Combining survival horror and static wave shooting, Propagation VR will get your adrenaline pumping as you try to survive a zombie apocalypse. Armed only with your guns and your fists, fight off terrifying zombies and other multi-species mutants. Will you get out alive?

Similarity 63%
Price Free to play
Rating 9.1
Release 25 Sep 2020

Zombie Army Trilogy

The cult horror shooter series comes to an apocalyptic conclusion with an epic new third chapter, a heart-pumping new horde mode, and remastered editions of the best-selling Nazi Zombie Army 1 & 2.

Similarity 63%
Price -91% 3.66€
Rating 8.5
Release 06 Mar 2015

S.T.A.L.K.E.R.: Call of Pripyat

S.T.A.L.K.E.R.: Call of Pripyat is the direct sequel of the S.T.A.L.K.E.R.: Shadow of Chernobyl. As a Major Alexander Degtyarev you should investigate the crash of the governmental helicopters around the Zone and find out, what happened there.

Similarity 62%
Price -84% 3.14€
Rating 9.4
Release 11 Feb 2010

S.T.A.L.K.E.R.: Clear Sky

S.T.A.L.K.E.R.: Clear Sky – standalone prequel for the acclaimed S.T.A.L.K.E.R.: Shadow of Chernobyl, which tells you story about the Clear Sky group, that want to research the Zone and understand it better.

Similarity 62%
Price -81% 1.89€
Rating 8.4
Release 15 Sep 2008

Dead Island 2

A deadly virus is spreading across Los Angeles, turning its inhabitants into zombies. Bitten, infected, but more than just immune, uncover the truth behind the outbreak and discover who - or what - you are. Survive, evolve and become the ultimate Zombie Slayer.

Similarity 62%
Price -64% 17.89€
Rating 7.6
Release 22 Apr 2024

Dying Light

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.

Similarity 61%
Price 19.99€
Rating 9.4
Release 27 Jan 2025

Alien Swarm: Reactive Drop

Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.

Similarity 61%
Price Free to play
Rating 9.3
Release 20 Apr 2017

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 60%
Price Free to play
Rating 7.8
Release 03 Mar 2017

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 60%
Price 5.89€
Rating 7.9
Release 03 Feb 2014

Masked Forces: Zombie Survival

What will you do when the zombie apocalypse comes, are you ready to tackle it right now and stay face to face with all the horrors that will appear?

Similarity 59%
Price 0.99€
Rating 6.8
Release 14 Jul 2017

Most played games like Contagion on Steam

Take a look at the top games like Contagion that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.

1. DayZ

Similarity 70% 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. The game has hit the top spot as the #1 most played game like Contagion, thanks to its 31,544 peak concurrent players over the last day.
7.6
326,984
99,557

31,544
players

2. Left 4 Dead 2

Similarity 71% 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. While seeing 17,964 players online at once in the last 24 hours, this game is currently ranked #2 among games like Contagion based on player count.
9.7
932,058
23,540

17,964
players

3. Unturned

Similarity 51% You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living. Unturned is a free to play, survival and zombies game developed and published by Smartly Dressed Games. Released on July 07th 2017 has received 554,408 reviews of which 505,746 were positive and 48,662 were negative resulting in an impressive rating of 9.1 out of 10. While seeing 8,988 players online at once in the last 24 hours, this game is currently ranked #3 among games like Contagion based on player count.
9.1
505,746
48,662

8,988
players

4. Hunt: Showdown 1896

Similarity 51% 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 8,096 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Contagion.
7.3
180,027
66,404

8,096
players

5. Dying Light

Similarity 61% 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 454,205 reviews of which 432,444 were positive and 21,761 were negative resulting in an impressive rating of 9.4 out of 10. With 3,537 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Contagion.
9.4
432,444
21,761

3,537
players

6. Warhammer 40,000: Darktide

Similarity 58% 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 111,235 reviews of which 78,755 were positive and 32,480 were negative resulting in a rating of 7.0 out of 10. With 3,373 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Contagion.
7.0
78,755
32,480

3,373
players

7. Killing Floor 2

Similarity 77% 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. With 908 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Contagion.
8.7
111,048
15,484

908
players

8. Dead Island 2

Similarity 62% A deadly virus is spreading across Los Angeles, turning its inhabitants into zombies. Bitten, infected, but more than just immune, uncover the truth behind the outbreak and discover who - or what - you are. Survive, evolve and become the ultimate Zombie Slayer. Dead Island 2 is a co-op, zombies and gore game developed by Dambuster Studios and published by Deep Silver. Released on April 22nd 2024 has received 12,655 reviews of which 9,811 were positive and 2,844 were negative resulting in a rating of 7.6 out of 10. With 760 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Contagion.
7.6
9,811
2,844

760
players

9. Stay Out

Similarity 54% Stay Out - is a MMORPG with shooter elements, based on spirit of “stalking” - an urban exploration, searching and exploring mysterious, abandoned and forgotten by humanity pieces of our planet. Stay Out is a free to play, survival and multiplayer game developed and published by MOBITECH LLC. Released on November 27th 2019 has received 25,334 reviews of which 16,483 were positive and 8,851 were negative resulting in a rating of 6.4 out of 10. With 589 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Contagion.
6.4
16,483
8,851

589
players

10. World War Z

Similarity 66% World War Z is a heart-pounding coop third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies, focused on fast-paced, gruesomely spectacular action. World War Z is a zombies, multiplayer and online co-op game developed and published by Saber Interactive Inc. Released on September 21st 2021 has received 25,612 reviews of which 21,288 were positive and 4,324 were negative resulting in a rating of 8.2 out of 10. With 547 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Contagion.
8.2
21,288
4,324

547
players

Best deals on games like Contagion on Steam

Discover fantastic savings with the best discounts on a variety of games like Contagion available on Steam right now, updated on April 30th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Contagion.

1. Killing Floor 2

Similarity 77% 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. Featuring a massive 92% discount, this game currently holds the #1 spot in the best deals for games like Contagion.
8.7
111,048
15,484

-92% 29.13€ 2.33€

2. Back 4 Blood

Similarity 66% 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. Thanks to its incredible 92% discount, this game is now the #2 best deal in games like Contagion.
6.8
46,414
21,452

-92% 62.25€ 4.98€

3. Zombie Army Trilogy

Similarity 63% The cult horror shooter series comes to an apocalyptic conclusion with an epic new third chapter, a heart-pumping new horde mode, and remastered editions of the best-selling Nazi Zombie Army 1 & 2. Zombie Army Trilogy is a zombies, action and co-op game developed and published by Rebellion. Released on March 06th 2015 has received 17,539 reviews of which 15,182 were positive and 2,357 were negative resulting in a rating of 8.5 out of 10. Thanks to its incredible 91% discount, this game is now the #3 best deal in games like Contagion.
8.5
15,182
2,357

-91% 40.67€ 3.66€

4. Dead Island: Riptide Definitive Edition

Similarity 50% Welcome to the zombie apocalypse experience of a lifetime – more beautiful than ever. Caught in an epic zombie outbreak on the tropical island of Banoi, your only thought is: Survive! Dead Island: Riptide Definitive Edition is a zombies, co-op and multiplayer game developed by Techland and published by Deep Silver. Released on May 31st 2016 has received 11,530 reviews of which 8,230 were positive and 3,300 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 90% discount, this title has earned the #4 position in the best deals for games like Contagion.
7.0
8,230
3,300

-90% 20.60€ 2.06€

5. Dead Island Definitive Edition

Similarity 50% Welcome to the zombie apocalypse experience of a lifetime – and now more beautiful than ever. Caught in the midst of an epic zombie outbreak on the tropical island of Banoi, your only thought is: Survive! Dead Island Definitive Edition is a zombies, open world and co-op game developed by Techland and published by Deep Silver. Released on May 31st 2016 has received 25,273 reviews of which 20,741 were positive and 4,532 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 89% discount, this title has earned the #5 position in the best deals for games like Contagion.
8.1
20,741
4,532

-89% 19.82€ 2.18€

6. S.T.A.L.K.E.R.: Call of Pripyat

Similarity 62% S.T.A.L.K.E.R.: Call of Pripyat is the direct sequel of the S.T.A.L.K.E.R.: Shadow of Chernobyl. As a Major Alexander Degtyarev you should investigate the crash of the governmental helicopters around the Zone and find out, what happened there. S.T.A.L.K.E.R.: Call of Pripyat is a atmospheric, open world and post-apocalyptic game developed and published by GSC Game World. Released on February 11th 2010 has received 30,715 reviews of which 29,371 were positive and 1,344 were negative resulting in an impressive rating of 9.4 out of 10. Currently offered at a significant 84% discount, this title has earned the #6 position in the best deals for games like Contagion.
9.4
29,371
1,344

-84% 19.63€ 3.14€

7. S.T.A.L.K.E.R.: Shadow of Chernobyl

Similarity 53% S.T.A.L.K.E.R.: Shadow of Chernobyl tells a story about survival in the Zone – a very dangerous place, where you fear not only the radiation, anomalies and deadly creatures, but other S.T.A.L.K.E.R.s, who have their own goals and wishes. S.T.A.L.K.E.R.: Shadow of Chernobyl is a atmospheric, post-apocalyptic and open world game developed and published by GSC Game World. Released on March 20th 2007 has received 46,883 reviews of which 44,396 were positive and 2,487 were negative resulting in an impressive rating of 9.3 out of 10. Currently offered at a significant 82% discount, this title has earned the #7 position in the best deals for games like Contagion.
9.3
44,396
2,487

-82% 15.61€ 2.81€

8. S.T.A.L.K.E.R.: Clear Sky

Similarity 62% S.T.A.L.K.E.R.: Clear Sky – standalone prequel for the acclaimed S.T.A.L.K.E.R.: Shadow of Chernobyl, which tells you story about the Clear Sky group, that want to research the Zone and understand it better. S.T.A.L.K.E.R.: Clear Sky is a open world, atmospheric and post-apocalyptic game developed by GSC Game World and published by GSC World Publishing. Released on September 15th 2008 has received 22,054 reviews of which 18,843 were positive and 3,211 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 81% discount, this title has earned the #8 position in the best deals for games like Contagion.
8.4
18,843
3,211

-81% 9.95€ 1.89€

9. RAGE

Similarity 50% Powered by id’s revolutionary id Tech® 5 technology, RAGE is an intense first-person shooter with breakneck vehicle combat, an expansive world to explore, and jaw-dropping graphics! RAGE is a fps, post-apocalyptic and action game developed by id Software and published by Bethesda Softworks. Released on October 03rd 2011 has received 17,508 reviews of which 13,596 were positive and 3,912 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 79% discount, this title has earned the #9 position in the best deals for games like Contagion.
7.6
13,596
3,912

-79% 9.95€ 2.09€

10. GTFO

Similarity 58% GTFO is a hardcore cooperative horror shooter that throws you from gripping suspense to explosive action in a heartbeat. Stealth, strategy, and teamwork are necessary to survive in your deadly, underground prison. Work together or die together. GTFO is a online co-op, horror and co-op game developed and published by 10 Chambers. Released on December 09th 2021 has received 61,768 reviews of which 52,091 were positive and 9,677 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 65% discount, this title has earned the #10 position in the best deals for games like Contagion.
8.3
52,091
9,677

-65% 40.20€ 14.07€

Free games like Contagion on Steam

Check out this fantastic list of free-to-play games like Contagion you can enjoy on Steam right now, updated on April 30th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Contagion.

1. Unturned

Similarity 51% You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living. Unturned is a free to play, survival and zombies game developed and published by Smartly Dressed Games. Released on July 07th 2017 has received 554,408 reviews of which 505,746 were positive and 48,662 were negative resulting in an impressive rating of 9.1 out of 10. With 8,988 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Contagion.
9.1
505,746
48,662

8,988
players

2. Stay Out

Similarity 54% Stay Out - is a MMORPG with shooter elements, based on spirit of “stalking” - an urban exploration, searching and exploring mysterious, abandoned and forgotten by humanity pieces of our planet. Stay Out is a free to play, survival and multiplayer game developed and published by MOBITECH LLC. Released on November 27th 2019 has received 25,334 reviews of which 16,483 were positive and 8,851 were negative resulting in a rating of 6.4 out of 10. Thanks to its free to play tag and a daily player base of 589, this game has secured the #2 spot in the ranking of free games like Contagion.
6.4
16,483
8,851

589
players

3. 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 312, this game has secured the #3 spot in the ranking of free games like Contagion.
8.9
66,520
7,481

312
players

4. Cry of Fear

Similarity 55% 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 275 players due to its free access, this strategy game has achieved the #4 position in the best free games like Contagion.
8.7
65,020
8,446

275
players

5. Counter-Strike Nexon

Similarity 65% 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. Attracting a solid base of 219 players due to its free access, this strategy game has achieved the #5 position in the best free games like Contagion.
6.6
28,330
14,288

219
players

6. Deceit

Similarity 60% 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 215 players due to its free access, this strategy game has achieved the #6 position in the best free games like Contagion.
7.8
73,623
19,398

215
players

7. Zumbi Blocks 2 Open Alpha

Similarity 55% Loot. Kill. Survive. Can you escape ? (probably not) Zumbi Blocks 2 is the official sequel to the 2013 free browser zombie game. Stuck on an island, cut off from the rest of humanity, you wake up. The secret to breaking free from this place lies asleep, underground. From the soil, zumbies emerge. Zumbi Blocks 2 Open Alpha is a multiplayer, action and open world survival craft game developed and published by Adrian Kaminski. Released on April 15th 2023 has received 7,730 reviews of which 6,860 were positive and 870 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #7 spot among the most played free games like Contagion.
8.6
6,860
870

74
players

8. Alien Swarm: Reactive Drop

Similarity 61% Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics. Alien Swarm: Reactive Drop is a twin stick shooter, pve and top-down shooter game developed and published by Reactive Drop Team. Released on April 20th 2017 has received 22,524 reviews of which 21,381 were positive and 1,143 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 Contagion.
9.3
21,381
1,143

60
players

9. M.A.R.S.

Similarity 51% MARS is a Free-To-Play Third Person Shooter set in an evolving sci-fi world. From the hilarious Headhunter mode, to Huge Mecha vs Mecha battles, to fully customizable loadouts; whether Co-op or PvP, M.A.R.S. has something for everyone. Kill, Die, Repeat. M.A.R.S. is a third-person shooter, pve and pvp game developed by Yingpei Games and published by SubaGames. Released on October 28th 2021 has received 1,084 reviews of which 686 were positive and 398 were negative resulting in a rating of 6.2 out of 10. The game currently holds the #9 spot among the most played free games like Contagion.
6.2
686
398

21
players

10. Zombie Panic! Source

Similarity 55% 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 7,717 reviews of which 6,533 were positive and 1,184 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 Contagion.
8.2
6,533
1,184

19
players