Games like Painkiller Overdose on Steam

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

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Pine Harbor

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

Similarity 81%
Price 24.42€
Rating 6.2
Release 25 Apr 2024

Wrought Flesh

Rip out organs and equip them in your own body. Fight biopunk monsters and drugged-up space bandits. You are a Gajeshian Cultist: A near-mythological being built from the bodies of long-dead saints.

Similarity 81%
Price 16.79€
Rating 7.2
Release 10 Dec 2021

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 81%
Price 28.99€
Rating 7.2
Release 01 Nov 2022

CARNAL

CARNAL is a fast and challenging retro FPS straight from the mid '90s. The Sons of Anak are opening portals to extract Dark Matter from the "other side". Combat the possessed soldiers, the manifested demons helping them, and any inanimate objects standing in your way!

Similarity 81%
Price 0.99€
Rating 8.1
Release 09 Apr 2021

Mecha Knights: Nightmare

Mecha action shooter, plunging the player into an apocalyptic war. Engage in epic battles with endless hordes of monsters in your powerful customizable mechs.

Similarity 81%
Price 15.79€
Rating 8.7
Release 30 Aug 2021

Boiling Steel

"Boiling Steel" - is a sci-fi story-based FPS VR shooter. You are one of many who set off in search of a better life in the distant bastion of scientific progress. Immerse yourself in the thick of events and witness the inexplicable global cataclysm.

Similarity 81%
Price -60% 4.99€
Rating 7.7
Release 05 Mar 2020

BONEWORKS

BONEWORKS is an Experimental Physics VR Adventure. Use found physics weapons, tools, and objects to fight across dangerous playscapes and mysterious architecture.

Similarity 81%
Price -31% 19.96€
Rating 9.0
Release 10 Dec 2019

Hellbound: Survival Mode

FULL GAME NOW AVAILABLE. GO GET IT! This is the Free Survival Mode for Hellbound: a '90s style First Person Shooter, made 30 years later… but just a glimpse of the full game, go check it out!

Similarity 81%
Price Free to play
Rating 8.4
Release 22 Nov 2019

Contagion VR: Outbreak

Contagion VR: Outbreak will immerse you into the middle of a zombie apocalypse. Relive stories of the survivors in the Single Player campaign, take your time in Free Roam, or check out the Firing Range!

Similarity 81%
Price 8.19€
Rating 6.2
Release 11 Dec 2020

This Strange Realm Of Mine

This Strange Realm Of Mine is a First Person Shooter mixed with poetry and psychological horror. Graphic style is 3D mixed with pixel art.

Similarity 81%
Price 9.75€
Rating 7.8
Release 19 Jul 2017

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 81%
Price 0.99€
Rating 6.8
Release 14 Jul 2017

System Shock

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

Similarity 81%
Price -73% 10.99€
Rating 8.9
Release 30 May 2023

Blood and Bacon

This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.

Similarity 81%
Price 0.99€
Rating 9.3
Release 01 Feb 2016

Dead Effect 2

Dead Effect 2 is the newest addition to the acclaimed Dead Effect franchise. This action sci-fi shooter is looking to push the boundaries of first-person shooters to new levels with slick graphics, rich narrative and RPG elements.

Similarity 81%
Price 11.99€
Rating 7.1
Release 06 May 2016

Rake

Do ghosts exist? What about Bigfoot, Chupacabras,Rake or Skinwalkers? And how will we ever know? You play as Gordon Davis, a scientist,a traveller and an explorer of unknown creatures and unusual events.

Similarity 81%
Price 3.99€
Rating 6.9
Release 13 Jul 2015

Putrefaction

Putrefaction is a First Person Shooter with horror elements, lots of enemies and weapons, heavily inspired by old-school shooter classics.

Similarity 81%
Price 2.99€
Rating 6.7
Release 07 Aug 2015

Gynophobia

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

Similarity 81%
Price 1.99€
Rating 6.4
Release 31 Jul 2015

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 81%
Price -91% 3.66€
Rating 8.5
Release 06 Mar 2015

Dead Effect

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

Similarity 81%
Price 4.99€
Rating 7.1
Release 17 Dec 2014

Depth

Play as a shark or a diver in a dark aquatic world and overcome your enemies by employing cunning, teamwork, and stealth. Depth blends tension and visceral action as you team up against AI or be matched with other players in heart pounding combat.

Similarity 81%
Price -28% 12.25€
Rating 8.6
Release 03 Nov 2014

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 81%
Price Free to play
Rating 6.6
Release 07 Oct 2014

The Typing of The Dead: Overkill

Typing of the dead: Overkill fuses the horror and comedy of the legendary House of the Dead series with unique typing mechanics in order to deliver a truly original gaming experience! This gruesome shooter puts you in the middle of a mutant outbreak in Bayou county.

Similarity 81%
Price 17.99€
Rating 8.5
Release 29 Oct 2013

DOOM 3

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

Similarity 81%
Price -48% 2.57€
Rating 8.4
Release 18 Oct 2012

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 81%
Price 29.99€
Rating 6.0
Release 01 May 2012

Most played games like Painkiller Overdose on Steam

Take a look at the top games like Painkiller Overdose that are currently attracting the largest player bases on the Steam platform, as of April 22nd 2025.

1. Left 4 Dead 2

Similarity 81% 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 954,186 reviews of which 930,672 were positive and 23,514 were negative resulting in an impressive rating of 9.7 out of 10. The game has hit the top spot as the #1 most played game like Painkiller Overdose, thanks to its 20,224 peak concurrent players over the last day.
9.7
930,672
23,514

20,224
players

2. Ready or Not

Similarity 92% Ready or Not is an intense, tactical, first-person shooter that depicts a modern-day world in which SWAT police units are called to defuse hostile and confronting situations. Ready or Not is a tactical, realistic and fps game developed by and published by Void Interactive. Released on December 13th 2023 has received 230,860 reviews of which 205,654 were positive and 25,206 were negative resulting in a rating of 8.8 out of 10. While seeing 7,953 players online at once in the last 24 hours, this game is currently ranked #2 among games like Painkiller Overdose based on player count.
8.8
205,654
25,206

7,953
players

3. Fallout 76

Similarity 73% Bethesda Game Studios welcome you to Fallout 76. Twenty-five years after the bombs fall, you and your fellow Vault Dwellers emerge into post-nuclear America. Explore a vast wasteland in this open-world multiplayer addition to the Fallout story. Fallout 76 is a open world, multiplayer and post-apocalyptic game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on April 14th 2020 has received 121,646 reviews of which 88,733 were positive and 32,913 were negative resulting in a rating of 7.2 out of 10. While seeing 7,825 players online at once in the last 24 hours, this game is currently ranked #3 among games like Painkiller Overdose based on player count.
7.2
88,733
32,913

7,825
players

4. Call of Duty®: Black Ops III

Similarity 73% 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 213,168 reviews of which 179,563 were positive and 33,605 were negative resulting in a rating of 8.3 out of 10. With 4,975 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Painkiller Overdose.
8.3
179,563
33,605

4,975
players

5. Battlefield™ 1

Similarity 80% Battlefield™ 1 takes you back to The Great War, WW1, where new technology and worldwide conflict changed the face of warfare forever. Battlefield™ 1 is a fps, multiplayer and singleplayer game developed by DICE and published by Electronic Arts. Released on June 11th 2020 has received 187,567 reviews of which 162,277 were positive and 25,290 were negative resulting in a rating of 8.6 out of 10. With 4,600 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Painkiller Overdose.
8.6
162,277
25,290

4,600
players

6. Hell Let Loose

Similarity 80% Join the ever expanding experience of Hell Let Loose - a hardcore World War Two first person shooter with epic battles of 100 players with infantry, tanks, artillery, a dynamically shifting front line and a unique resource based RTS-inspired meta-game. Hell Let Loose is a shooter, realistic and world war ii game developed and published by Team17. Released on July 27th 2021 has received 136,765 reviews of which 112,693 were positive and 24,072 were negative resulting in a rating of 8.2 out of 10. With 4,537 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Painkiller Overdose.
8.2
112,693
24,072

4,537
players

7. Metro 2033 Redux

Similarity 80% In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033. Metro 2033 Redux is a post-apocalyptic, fps and atmospheric game developed by 4A Games and published by Deep Silver. Released on August 27th 2014 has received 96,266 reviews of which 87,371 were positive and 8,895 were negative resulting in a rating of 9.0 out of 10. With 4,330 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Painkiller Overdose.
9.0
87,371
8,895

4,330
players

8. Halo: The Master Chief Collection

Similarity 71% The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience. Whether you’re a long-time fan or meeting Spartan 117 for the first time, The Master Chief Collection is the definitive Halo gaming experience. Halo: The Master Chief Collection is a great soundtrack, fps and classic game developed by 343 Industries, Splash Damage, Ruffian Games, Bungie and Saber Interactive and published by Xbox Game Studios. Released on December 03rd 2019 has received 240,140 reviews of which 221,902 were positive and 18,238 were negative resulting in an impressive rating of 9.1 out of 10. With 3,942 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Painkiller Overdose.
9.1
221,902
18,238

3,942
players

9. Borderlands 3

Similarity 84% The original shooter-looter returns, packing bazillions of guns and a mayhem-fueled adventure! Blast through new worlds and enemies as one of four new Vault Hunters. Borderlands 3 is a rpg, looter shooter and multiplayer game developed by Gearbox Software and published by 2K. Released on March 13th 2020 has received 146,073 reviews of which 124,384 were positive and 21,689 were negative resulting in a rating of 8.4 out of 10. With 3,539 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Painkiller Overdose.
8.4
124,384
21,689

3,539
players

10. Killing Floor 2

Similarity 75% 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 126,482 reviews of which 110,998 were positive and 15,484 were negative resulting in a rating of 8.7 out of 10. With 2,950 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Painkiller Overdose.
8.7
110,998
15,484

2,950
players

Best deals on games like Painkiller Overdose on Steam

Discover fantastic savings with the best discounts on a variety of games like Painkiller Overdose available on Steam right now, updated on April 22nd 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Painkiller Overdose.

1. Prodeus

Similarity 88% Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware. Prodeus is a boomer shooter, fps and retro game developed by Bounding Box Software Inc. and published by Humble Games. Released on September 23rd 2022 has received 7,455 reviews of which 6,930 were positive and 525 were negative resulting in an impressive rating of 9 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like Painkiller Overdose.
9
6,930
525

-95% 25.00€ 1.25€

2. Outlast 2

Similarity 79% Outlast 2 introduces you to Sullivan Knoth and his followers, who left our wicked world behind to give birth to Temple Gate, a town, deep in the wilderness and hidden from civilization. Knoth and his flock are preparing for the tribulations of the end of times and you’re right in the thick of it. Outlast 2 is a horror, psychological horror and survival horror game developed and published by Red Barrels. Released on April 24th 2017 has received 55,039 reviews of which 50,267 were positive and 4,772 were negative resulting in a rating of 9.0 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like Painkiller Overdose.
9.0
50,267
4,772

-95% 30.60€ 1.53€

3. Warhammer: End Times - Vermintide

Similarity 71% Vermintide is an epic co-operative action combat adventure set in the End Times of the iconic Warhammer Fantasy world. Warhammer: End Times - Vermintide is a action, online co-op and co-op game developed and published by Fatshark. Released on October 23rd 2015 has received 21,040 reviews of which 16,839 were positive and 4,201 were negative resulting in a rating of 7.9 out of 10. Thanks to its incredible 95% discount, this game is now the #3 best deal in games like Painkiller Overdose.
7.9
16,839
4,201

-95% 29.20€ 1.46€

4. Borderlands 3

Similarity 84% The original shooter-looter returns, packing bazillions of guns and a mayhem-fueled adventure! Blast through new worlds and enemies as one of four new Vault Hunters. Borderlands 3 is a rpg, looter shooter and multiplayer game developed by Gearbox Software and published by 2K. Released on March 13th 2020 has received 146,073 reviews of which 124,384 were positive and 21,689 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 93% discount, this title has earned the #4 position in the best deals for games like Painkiller Overdose.
8.4
124,384
21,689

-93% 59.71€ 4.18€

5. F.E.A.R. 3

Similarity 81% 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 12,640 reviews of which 9,005 were positive and 3,635 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 Painkiller Overdose.
7
9,005
3,635

-93% 19.71€ 1.38€

6. Metro 2033 Redux

Similarity 80% In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033. Metro 2033 Redux is a post-apocalyptic, fps and atmospheric game developed by 4A Games and published by Deep Silver. Released on August 27th 2014 has received 96,266 reviews of which 87,371 were positive and 8,895 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 92% discount, this title has earned the #6 position in the best deals for games like Painkiller Overdose.
9.0
87,371
8,895

-92% 18.75€ 1.50€

7. Killing Floor 2

Similarity 75% 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 126,482 reviews of which 110,998 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 #7 position in the best deals for games like Painkiller Overdose.
8.7
110,998
15,484

-92% 29.13€ 2.33€

8. Back 4 Blood

Similarity 92% 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 67,778 reviews of which 46,346 were positive and 21,432 were negative resulting in a rating of 6.8 out of 10. Currently offered at a significant 92% discount, this title has earned the #8 position in the best deals for games like Painkiller Overdose.
6.8
46,346
21,432

-92% 61.13€ 4.89€

9. Zombie Army Trilogy

Similarity 81% 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 17,532 reviews of which 15,174 were positive and 2,358 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 91% discount, this title has earned the #9 position in the best deals for games like Painkiller Overdose.
8.5
15,174
2,358

-91% 40.67€ 3.66€

10. POSTAL 2

Similarity 82% Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong? POSTAL 2 is a violent, dark humor and open world game developed and published by Running With Scissors. Released on November 02nd 2012 has received 114,374 reviews of which 110,759 were positive and 3,615 were negative resulting in an impressive rating of 9.5 out of 10. Currently offered at a significant 90% discount, this title has earned the #10 position in the best deals for games like Painkiller Overdose.
9.5
110,759
3,615

-90% 10.00€ 1.00€

Free games like Painkiller Overdose on Steam

Check out this fantastic list of free-to-play games like Painkiller Overdose you can enjoy on Steam right now, updated on April 22nd 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Painkiller Overdose.

1. Enlisted

Similarity 73% In Enlisted, you are not only commanding a single soldier, but an entire squad! This MMO squad based shooter recreates the key battles of the bloodiest war of the 20th century, with hundreds of soldiers, tanks and aircraft taking part in each battle. Enlisted is a fps, world war ii and multiplayer game developed by Darkflow Software and published by Gaijin Network Ltd. Released on July 16th 2024 has received 25,534 reviews of which 20,479 were positive and 5,055 were negative resulting in a rating of 7.9 out of 10. With 2,710 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Painkiller Overdose.
7.9
20,479
5,055

2,710
players

2. STRAFTAT

Similarity 73% STRAFTAT video game ::::::::::::::::::::: 1v1 ONLINE first person pov SHOOTER ::::::::::::::: quick rounds in 100 MAPS ::::::::::::: Including all WEAPONS and proximity chat STRAFTAT is a action, shooter and fps game developed by Sirius Lemaitre and Leonard Lemaitre and published by Lemaitre Bros. Released on October 24th 2024 has received 6,295 reviews of which 6,075 were positive and 220 were negative resulting in an impressive rating of 9.3 out of 10. Thanks to its free to play tag and a daily player base of 371, this game has secured the #2 spot in the ranking of free games like Painkiller Overdose.
9.3
6,075
220

371
players

3. Will To Live Online

Similarity 74% Will To Live is a MMORPG-shooter whose action takes place in a severe post-apocalyptic world. Explore the world, engage in fights with mutants and other survivors, join the clans in the struggle for existence and prove your right to Live. Will To Live Online is a survival, free to play and multiplayer game developed and published by AlphaSoft LLC. Released on April 05th 2018 has received 17,482 reviews of which 12,218 were positive and 5,264 were negative resulting in a rating of 6.9 out of 10. Thanks to its free to play tag and a daily player base of 344, this game has secured the #3 spot in the ranking of free games like Painkiller Overdose.
6.9
12,218
5,264

344
players

4. Counter-Strike Nexon

Similarity 81% 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 42,600 reviews of which 28,314 were positive and 14,286 were negative resulting in a rating of 6.6 out of 10. Attracting a solid base of 257 players due to its free access, this strategy game has achieved the #4 position in the best free games like Painkiller Overdose.
6.6
28,314
14,286

257
players

5. Black Squad

Similarity 84% Black Squad is a free-to-play military first-person-shooter. Players can master their skills and show off their strategies with a wide range of game maps, modes, and weapons to choose from. Join thousands of FPS players worldwide in one of the most played games on Steam! Black Squad is a free to play, fps and shooter game developed by VALOFE and NS STUDIO and published by VALOFE. Released on June 26th 2019 has received 81,719 reviews of which 62,061 were positive and 19,658 were negative resulting in a rating of 7.5 out of 10. Attracting a solid base of 235 players due to its free access, this strategy game has achieved the #5 position in the best free games like Painkiller Overdose.
7.5
62,061
19,658

235
players

6. Quake Champions

Similarity 91% Step into the Arena. Compete against players from around the world in this fast-paced shooter that combines the dark mythos of the original Quake with the skill-based competition of Quake III Arena. Become a Champion. Quake Champions is a arena shooter, hero shooter and early access game developed by id Software and published by Bethesda Softworks. Released on August 18th 2022 has received 38,273 reviews of which 28,231 were positive and 10,042 were negative resulting in a rating of 7.3 out of 10. Attracting a solid base of 224 players due to its free access, this strategy game has achieved the #6 position in the best free games like Painkiller Overdose.
7.3
28,231
10,042

224
players

7. SAS: Zombie Assault 4

Similarity 74% Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing. SAS: Zombie Assault 4 is a free to play, zombies and multiplayer game developed and published by Ninja Kiwi. Released on October 16th 2017 has received 9,011 reviews of which 7,770 were positive and 1,241 were negative resulting in a rating of 8.4 out of 10. Attracting a solid base of 127 players due to its free access, this strategy game has achieved the #7 position in the best free games like Painkiller Overdose.
8.4
7,770
1,241

127
players

8. Combat Arms: the Classic

Similarity 75% Combat Arms: the Classic is a multiplayer game, free-to-play modern first-person shooter. The game is a relaunch of Combat Arms in its glory days delivering gamers a nostalgic high-quality FPS with an extensive arsenal of weapons. Combat Arms: the Classic is a free to play, action and fps game developed by VALOFE and NEXON and published by VALOFE. Released on July 14th 2020 has received 1,894 reviews of which 1,226 were positive and 668 were negative resulting in a rating of 6.3 out of 10. The game currently holds the #8 spot among the most played free games like Painkiller Overdose.
6.3
1,226
668

82
players

9. Ironsight

Similarity 84% Online FPS game, near future background, Resource Warfare between Military Forces and PMC. More than 50 kinds of original weapons with customization option. Use Peripheral objects, Tactical drones, Active objects to experience dynamic warfare. Ironsight is a free to play, action and fps game developed and published by WipleGames Inc. and . Released on June 19th 2019 has received 22,350 reviews of which 16,157 were positive and 6,193 were negative resulting in a rating of 7.1 out of 10. The game currently holds the #9 spot among the most played free games like Painkiller Overdose.
7.1
16,157
6,193

77
players

10. Classic Marathon

Similarity 77% From the team that brought you Aleph One, the classic sci-fi FPS Marathon from Bungie on Mac revived for modern hardware by the fan community. Classic Marathon is a fps, shooter and pvp game developed and published by Aleph One Developers. Released on May 10th 2024 has received 853 reviews of which 787 were positive and 66 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #10 spot among the most played free games like Painkiller Overdose.
8.7
787
66

76
players