Games like Ultimate Zombie Defense 2 on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Ultimate Zombie Defense 2 are available at the bottom of the page.

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Nightmare of Decay A first-person action horror game set in a nightmarish manor infested with zombies, psychotic cultists, and a horde of other horrors. Utilize an assortment of different weapons in a brutal fight for survival as you try to escape from the Nightmare of Decay.

Similarity 63%
Price 3.99€
Rating 9.2
Release 03 May 2022
Into the Radius 2 Into the Radius 2 is an immersive VR survival shooter, set in a realm of surreal landscapes and deadly entities known as Pechorsk Anomaly. Arm yourself with realistic weapons and venture deeper into the mysteries that lie within, either solo or with a friend by your side.

Similarity 61%
Price 38.99€
Rating 7.7
Release 24 Jul 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 57%
Price -85% 3.19€
Rating 9.4
Release 27 Jan 2025
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 57%
Price -82% 5.53€
Rating 8.2
Release 21 Sep 2021
The Walking Dead: Saints & Sinners - Chapter 2: Retribution Hunted by the seemingly unstoppable Axeman and facing off against the Tower’s latest push for total dominance, discover what connects these new threats together before it’s too late. New faces, places, weapons and gear all await you on your journey to a final showdown for the city's fate.

Similarity 56%
Price 9.75€
Rating 6.3
Release 21 Mar 2023
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 55%
Price Free to play
Rating 6.2
Release 03 Feb 2022
Gunjitsu Gunjitsu is a fast-paced platform shooter with grappling hooks, rocket launchers, guns and grenades! Kill your opponents or race them for the fastest time. Inspirations from old platform shooters gives Gunjitsu a classic feel while modern tech takes it to a new level of frantic action!

Similarity 54%
Price 3.99€
Rating 7.7
Release 31 Jul 2015
Chained in the Backrooms Chained in the Backrooms is a 1-4 player co-op, mission-based horror game. Trapped in a blurry subconscious and chained together, toy bears must solve puzzles, complete challenging missions, and survive against creatures trying to destroy them.

Similarity 54%
Price 2.99€
Rating 6.5
Release 13 Feb 2025
Propagation: Paradise Hotel Trapped inside the Paradise Hotel, you are desperate to find your sister. Explore dark surroundings, gather resources, and survive terrifying encounters. This intense single-player VR survival horror game with great storytelling will get your adrenaline pumping.

Similarity 53%
Price 19.99€
Rating 8.3
Release 04 May 2023
Vengeance Old-modern-school shooter with a focus on the player. Play one of the fastest multiplayer games out there with dozens of weapons and a challenging recoil. Play fast. Play the past!

Similarity 53%
Price 6.59€
Rating 7.4
Release 29 Apr 2020
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 53%
Price 19.99€
Rating 6.3
Release 18 Aug 2015
Into the Dead: Our Darkest Days 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.

Similarity 53%
Price 24.99€
Rating 8.3
Release 09 Apr 2025
Resident Evil Revelations Resident Evil® Revelations returns redefined for PC complete with high quality HD visuals, enhanced lighting effects and an immersive sound experience.

Similarity 53%
Price -75% 4.99€
Rating 7.9
Release 23 May 2013
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 52%
Price Free to play
Rating 8.3
Release 31 Oct 2017
Call of Duty®: Black Ops The biggest first-person action series of all time and the follow-up to critically acclaimed Call of Duty®: Modern Warfare 2 returns with Call of Duty®: Black Ops.

Similarity 51%
Price 39.99€
Rating 8.9
Release 08 Nov 2010
Estranged: The Departure Estranged: The Departure follows the story of a fisherman, stranded on a mysterious island during a violent storm. Little does he know his adventure has just begun, and the island is home to more than it first seems.

Similarity 51%
Price 4.99€
Rating 8.3
Release 22 May 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 51%
Price -92% 4.92€
Rating 6.8
Release 12 Oct 2021
Zompiercer Take control of the train which will become your haven on the rails. Collect resources, craft equipment, construct a cozy house on railway cars, and travel through the carefully handcrafted locations to explore the story of a zombie apocalypse world.

Similarity 51%
Price 18.99€
Rating 8.5
Release 03 Apr 2020
Drug Lord Tycoon Start from nothing and rise to the top as you expand your criminal empire in Drug Lord Tycoon.

Similarity 51%
Price 11.99€
Rating 8.0
Release 31 Jul 2024
Daymare: 1998 DAYMARE: 1998 is a third-person survival horror game that recreates the mood of iconic titles from the '90s, with a fresh storyline. An incident that turns a small town into a deadly zone, three characters to play with and little time to find the truth, before its mutated citizens abruptly end your mission.

Similarity 50%
Price -99% 0.43€
Rating 6.8
Release 17 Sep 2019
Ultimate Zombie Defense Team up or face it alone in this top down zombie slaying defense adventure! Featuring up to 4 player online co-op, cleanse the infected wave by wave and upgrade your base with traps & defenses to build the Ultimate Zombie Defense. Can YOU stop them?

Similarity 50%
Price 4.99€
Rating 8.3
Release 08 Dec 2020
Walking Zombie: Shooter The Walking Zombie is a stationary FPS with an online co-op mode in a world full of zombies to kill. Buy and upgrade your weapons, kill all enemies in 200 levels and destroy mighty boss monsters before they eat you alive!

Similarity 50%
Price 4.99€
Rating 7.1
Release 19 Jan 2018
Apex Aim Trainer Improve Your Aim in Apex Legends

Similarity 49%
Price 3.99€
Rating 7.4
Release 29 Jan 2020
Eternity Warriors VR Packed with classical action game essences, high-definition visual, and real-time multiplayer features.

Similarity 49%
Price 14.99€
Rating 7.5
Release 17 Sep 2017

Most played games like Ultimate Zombie Defense 2 on Steam

Take a look at the top games like Ultimate Zombie Defense 2 that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.

1. DayZ

Similarity 42% 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 430,252 reviews of which 330,349 were positive and 99,903 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 Ultimate Zombie Defense 2, thanks to its 37,066 peak concurrent players over the last day.
7.6
330,349
99,903

37,066
players

2. Left 4 Dead 2

Similarity 46% 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 963,983 reviews of which 940,221 were positive and 23,762 were negative resulting in an impressive rating of 9.7 out of 10. While seeing 25,122 players online at once in the last 24 hours, this game is currently ranked #2 among games like Ultimate Zombie Defense 2 based on player count.
9.7
940,221
23,762

25,122
players

3. Gray Zone Warfare

Similarity 46% In Gray Zone Warfare, realism meets tactics in an open-world MMOFPS where every move matters. Deploy with a Private Military Company, survive intense PvEvP or PvE encounters against players and AI, unravel the secrets of Lamang Island, and thrive through hard-earned progression. Gray Zone Warfare is a early access, online co-op and tactical game developed and published by MADFINGER Games and a.s.. Released on April 30th 2024 has received 59,318 reviews of which 40,235 were positive and 19,083 were negative resulting in a rating of 6.7 out of 10. While seeing 7,543 players online at once in the last 24 hours, this game is currently ranked #3 among games like Ultimate Zombie Defense 2 based on player count.
6.7
40,235
19,083

7,543
players

4. Call of Duty®: Black Ops III

Similarity 42% Call of Duty®: Black Ops III Zombies Chronicles Edition includes the full base game plus the Zombies Chronicles content expansion. Call of Duty®: Black Ops III is a multiplayer, zombies and fps game developed by Treyarch and Aspyr (Mac) and published by Aspyr (Mac) and Activision. Released on November 05th 2015 has received 215,026 reviews of which 181,306 were positive and 33,720 were negative resulting in a rating of 8.4 out of 10. With 5,414 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Ultimate Zombie Defense 2.
8.4
181,306
33,720

5,414
players

5. Dying Light

Similarity 57% 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 457,632 reviews of which 435,687 were positive and 21,945 were negative resulting in an impressive rating of 9.4 out of 10. With 4,953 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Ultimate Zombie Defense 2.
9.4
435,687
21,945

4,953
players

6. Killing Floor 2

Similarity 49% 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 126,866 reviews of which 111,325 were positive and 15,541 were negative resulting in a rating of 8.7 out of 10. With 4,508 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Ultimate Zombie Defense 2.
8.7
111,325
15,541

4,508
players

7. Resident Evil 4

Similarity 45% Survival is just the beginning. Six years have passed since the biological disaster in Raccoon City. Leon S. Kennedy, one of the survivors, tracks the president's kidnapped daughter to a secluded European village, where there is something terribly wrong with the locals. Resident Evil 4 is a horror, action and survival horror game developed and published by CAPCOM Co. and Ltd.. Released on March 23rd 2023 has received 181,708 reviews of which 177,539 were positive and 4,169 were negative resulting in an impressive rating of 9.7 out of 10. With 3,748 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Ultimate Zombie Defense 2.
9.7
177,539
4,169

3,748
players

8. World War Z

Similarity 57% 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 26,058 reviews of which 21,657 were positive and 4,401 were negative resulting in a rating of 8.2 out of 10. With 1,663 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Ultimate Zombie Defense 2.
8.2
21,657
4,401

1,663
players

9. Back 4 Blood

Similarity 51% 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 68,441 reviews of which 46,833 were positive and 21,608 were negative resulting in a rating of 6.8 out of 10. With 1,288 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Ultimate Zombie Defense 2.
6.8
46,833
21,608

1,288
players

10. Resident Evil Village

Similarity 47% Experience survival horror like never before in the 8th major installment in the Resident Evil franchise - Resident Evil Village. With detailed graphics, intense first-person action and masterful storytelling, the terror has never felt more realistic. Resident Evil Village is a survival horror, horror and first-person game developed and published by CAPCOM Co. and Ltd.. Released on May 06th 2021 has received 119,350 reviews of which 114,131 were positive and 5,219 were negative resulting in an impressive rating of 9.4 out of 10. With 1,284 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Ultimate Zombie Defense 2.
9.4
114,131
5,219

1,284
players

Best deals on games like Ultimate Zombie Defense 2 on Steam

Discover fantastic savings with the best discounts on a variety of games like Ultimate Zombie Defense 2 available on Steam right now, updated on June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Ultimate Zombie Defense 2.

1. Daymare: 1998

Similarity 50% DAYMARE: 1998 is a third-person survival horror game that recreates the mood of iconic titles from the '90s, with a fresh storyline. An incident that turns a small town into a deadly zone, three characters to play with and little time to find the truth, before its mutated citizens abruptly end your mission. Daymare: 1998 is a zombies, survival horror and action game developed by Invader Studios and published by Destructive Creations and All in! Games. Released on September 17th 2019 has received 3,924 reviews of which 2,725 were positive and 1,199 were negative resulting in a rating of 6.8 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Ultimate Zombie Defense 2.
6.8
2,725
1,199

-99% 29.99€ 0.43€

2. Killing Floor 2

Similarity 49% 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 126,866 reviews of which 111,325 were positive and 15,541 were negative resulting in a rating of 8.7 out of 10. Thanks to its incredible 98% discount, this game is now the #2 best deal in games like Ultimate Zombie Defense 2.
8.7
111,325
15,541

-98% 27.99€ 0.82€

3. GOAT OF DUTY

Similarity 42% Goat of Duty is a fast-paced multiplayer shooter where goats armed to the horns bleat face to face in a relentless deathmatch. Ram and troll your friends, own the craziest goatstumes, and put your skills to the test in the quirkiest FPS ever. Are you ready to become the GOAT of goats? GOAT OF DUTY is a early access, fps and multiplayer game developed by 34BigThings srl and published by 🚀 Raiser Games. Released on July 10th 2019 has received 3,520 reviews of which 3,050 were positive and 470 were negative resulting in a rating of 8.4 out of 10. Thanks to its incredible 97% discount, this game is now the #3 best deal in games like Ultimate Zombie Defense 2.
8.4
3,050
470

-97% 9.99€ 0.32€

4. Dead Rising 2: Off the Record

Similarity 41% You are Frank West – photojournalist and original hero of the Dead Rising Willamette incident – taking center stage experiencing the re-imagined Fortune City outbreak. Dead Rising 2: Off the Record is a action, zombies and open world game developed by Capcom Vancouver and published by Capcom. Released on October 11th 2011 has received 3,908 reviews of which 3,024 were positive and 884 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 96% discount, this title has earned the #4 position in the best deals for games like Ultimate Zombie Defense 2.
7.5
3,024
884

-96% 19.99€ 0.86€

5. Bet On Soldier

Similarity 42% Delve into a world where war has become a media frenzy! Survive your battles and bet on your victories! Bet On Soldier is a action, fps and shooter game developed by Kylotonn and published by Microids. Released on December 05th 2014 has received 311 reviews of which 215 were positive and 96 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 94% discount, this title has earned the #5 position in the best deals for games like Ultimate Zombie Defense 2.
6.6
215
96

-94% 7.99€ 0.49€

6. Killing Floor 2

Similarity 49% 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 game developed and published by . Released on November 18th 2016 has received 126,866 reviews of which 111,325 were positive and 15,541 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Ultimate Zombie Defense 2.
8.7
111,325
15,541

-98% 27.99€ 0.82€

7. Zombie Kill of the Week - Reborn

Similarity 40% Zombie Kill of the Week - Reborn is a challenging, fast paced, 2D survival shooter! Featuring a compelling single player survival mode and cooperative multiplayer for up-to four players, this is one zombie firefight you're not going to want to miss! Zombie Kill of the Week - Reborn is a action, zombies and indie game developed by Still Running and published by Merge Games and Tagstar Games. Released on March 13th 2015 has received 1,091 reviews of which 992 were positive and 99 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 92% discount, this title has earned the #7 position in the best deals for games like Ultimate Zombie Defense 2.
8.6
992
99

-92% 5.99€ 0.48€

8. Dead Effect

Similarity 44% 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! Dead Effect is a zombies, fps and action game developed and published by BadFly Interactive and a.s.. Released on December 17th 2014 has received 3,702 reviews of which 2,707 were positive and 995 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 92% discount, this title has earned the #8 position in the best deals for games like Ultimate Zombie Defense 2.
7.1
2,707
995

-92% 4.99€ 0.44€

9. Back 4 Blood

Similarity 51% 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 68,441 reviews of which 46,833 were positive and 21,608 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 Ultimate Zombie Defense 2.
6.8
46,833
21,608

-92% 59.99€ 4.92€

10. Resident Evil 4

Similarity 45% Survival is just the beginning. Six years have passed since the biological disaster in Raccoon City. Leon S. Kennedy, one of the survivors, tracks the president's kidnapped daughter to a secluded European village, where there is something terribly wrong with the locals. Resident Evil 4 is a horror, action and survival horror game developed and published by CAPCOM Co. and Ltd.. Released on March 23rd 2023 has received 181,708 reviews of which 177,539 were positive and 4,169 were negative resulting in an impressive rating of 9.7 out of 10. Currently offered at a significant 91% discount, this title has earned the #10 position in the best deals for games like Ultimate Zombie Defense 2.
9.7
177,539
4,169

-91% 39.99€ 3.83€

Free games like Ultimate Zombie Defense 2 on Steam

Check out this fantastic list of free-to-play games like Ultimate Zombie Defense 2 you can enjoy on Steam right now, updated on June 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Ultimate Zombie Defense 2.

1. No More Room in Hell

Similarity 44% 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 74,253 reviews of which 66,753 were positive and 7,500 were negative resulting in a rating of 8.9 out of 10. With 473 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Ultimate Zombie Defense 2.
8.9
66,753
7,500

473
players

2. Zumbi Blocks 2 Open Alpha

Similarity 45% 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 7,967 reviews of which 7,068 were positive and 899 were negative resulting in a rating of 8.6 out of 10. Thanks to its free to play tag and a daily player base of 134, this game has secured the #2 spot in the ranking of free games like Ultimate Zombie Defense 2.
8.6
7,068
899

134
players

3. 3D Aim Trainer

Similarity 46% The #1 Aim Trainer and one of the most popular free pc games is now available on Steam. The best aim practice solution for FPS and TPS games, with top analytics helping you monitor your improvement for the most vital skills of aiming. Level up your aim for free. 3D Aim Trainer is a early access, e-sports and fps game developed by 3D Aim Trainer and published by 3D Aim Trainer and SteelSeries. Released on July 07th 2021 has received 2,797 reviews of which 2,424 were positive and 373 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #3 spot among the most played free games like Ultimate Zombie Defense 2.
8.3
2,424
373

41
players

4. Zombie Panic! Source

Similarity 44% 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 7,726 reviews of which 6,541 were positive and 1,185 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #4 spot among the most played free games like Ultimate Zombie Defense 2.
8.2
6,541
1,185

13
players

5. Codename CURE

Similarity 52% 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. Codename CURE is a zombies, shooter and free to play game developed and published by Raptor Byte. Released on October 31st 2017 has received 16,478 reviews of which 13,960 were positive and 2,518 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #5 spot among the most played free games like Ultimate Zombie Defense 2.
8.3
13,960
2,518

12
players

6. SCP: Nine-Tailed Fox

Similarity 45% You are a leader of Foxtrot Unit 1 "Nine-Tailed Fox", a highly trained force tasked with re-containing a multitude of terrifying anomalous monsters that have broken loose inside of a top-secret research facility. SCP: Nine-Tailed Fox is a early access, free to play and horror game developed and published by Third Subdivision Studios. Released on February 02nd 2022 has received 3,544 reviews of which 2,695 were positive and 849 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #6 spot among the most played free games like Ultimate Zombie Defense 2.
7.4
2,695
849

9
players

7. Aimtastic

Similarity 44% Training game for FPS games. Helps you become a better aimer. Includes a lot of different practice scenarios, which is great for warmup or taking your aim to the next level. Aimtastic is a free to play, action and fps game developed by Pixel Pointer Studios and published by . Released on January 28th 2018 has received 2,652 reviews of which 2,486 were positive and 166 were negative resulting in a rating of 9.0 out of 10. The game currently holds the #7 spot among the most played free games like Ultimate Zombie Defense 2.
9.0
2,486
166

6
players

8. Transmissions: Element 120

Similarity 41% 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? Transmissions: Element 120 is a free to play, action and shooter game developed by Shokunin, Thomas M. Visser and Vincent Thiele and published by Self published. Released on June 16th 2016 has received 9,805 reviews of which 9,266 were positive and 539 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #8 spot among the most played free games like Ultimate Zombie Defense 2.
9.2
9,266
539

3
players

9. Toaster Arena

Similarity 44% Toaster Arena is a first person multiplayer arena shooter where players battle it out on different maps and game modes. Use Advanced movement to traverse obstacles and gain the advantage on the battlefield. Toaster Arena is a early access, action and fps game developed and published by Shadow_hawk. Released on January 20th 2025 has received 322 reviews of which 294 were positive and 28 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #9 spot among the most played free games like Ultimate Zombie Defense 2.
8.4
294
28

3
players

10. WARMODE

Similarity 41% Free to play shooter about the confrontation of two irreconcilable sides, represented by the government military housings and the armed hirelings. Try your hand at virtual battles with off-scale dynamics and hurricane gameplay in the spirit of the classical shooters. WARMODE is a free to play, fps and multiplayer game developed and published by Novalink. Released on September 13th 2019 has received 16,530 reviews of which 10,255 were positive and 6,275 were negative resulting in a rating of 6.1 out of 10. The game currently holds the #10 spot among the most played free games like Ultimate Zombie Defense 2.
6.1
10,255
6,275

2
players