Games like Serious Sam: Siberian Mayhem on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Serious Sam: Siberian Mayhem 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 52%
Price 24.42€
Rating 6.2
Release 25 Apr 2024

The Classrooms

The Classrooms is a procedural, liminal-space, found-footage, survival horror game. Explore The Classrooms and discover the various anomalies it contains; from malicious entities, to harmless oddities. And remember, it's different every time you play, so your found footage is uniquely yours.

Similarity 52%
Price 9.75€
Rating 8.6
Release 28 Oct 2022

Momo Mother Bird: Final Story

The doors are locked, no one answers and definitely won't help. Your task is to get out and not let yourself be caught! Solve puzzles, escape from the pursuit of Momo 2 and get out of this nightmare! This time Momo won't let you get bored!

Similarity 52%
Price Free to play
Rating 7.3
Release 28 Jul 2022

Knightfall: A Daring Journey

Two knights, a strong bond, and a long journey. Take up the race for the rose, ride from town to town and take shelter before nightfall by any means necessary! If your bond is strong and your horse drifts well, you can be the recipient of the fabled rose. Luckily you brought guns!

Similarity 52%
Price Free to play
Rating 8.7
Release 01 Apr 2022

Alien: Rogue Incursion

Alien: Rogue Incursion is an all-new action-horror VR game that transforms you into ex-Colonial Marine Zula Hendricks on a dangerous mission to the uncharted planet Purdan, featuring innovative real-life motion gameplay, a whole-body loadout, and the most cunning Xenomorphs ever encountered.

Similarity 52%
Price -50% 19.49€
Rating 6.7
Release 19 Dec 2024

Hypnagogia 無限の夢 Boundless Dreams

Meet colorful characters, discover mysterious secrets, and reassemble the fractured remains of an ethereal crystal as you explore a series of abstract worlds based on dreams, nightmares, and the places in between.

Similarity 52%
Price 8.19€
Rating 9.0
Release 29 Oct 2021

Noch

Go alone (or with a friend) to find the girl who destroyed the world. An ominous surreal first-person adventure full of dangerous monsters and secrets of the deceased world

Similarity 52%
Price 11.79€
Rating 7.3
Release 01 Oct 2023

Hunting Simulator 2

With your hunting dog by your side, explore the Texan desert and forests of Colorado and Europe as you track down 33 animal species. Choose your gear from over 160 official weapons, accessories and clothing items (including Browning, Winchester and Bushnell).

Similarity 52%
Price -94% 2.58€
Rating 6.5
Release 16 Jul 2020

Neckbreak

An overdose of reality can have dire consequences... Tumble down the rabbit hole and embrace your downfall with 12 endings, non linear day by day progression, sanity system and more...

Similarity 52%
Price 15.79€
Rating 7.7
Release 01 Dec 2022

D'LIRIUM

An experimental 2D-shooter with the elements of a horror game. D'lirium brings together some mechanics back from 90s classics. Non-linear levels, search for the keys, violence and a lot of other things. Including the colourful ponies.

Similarity 52%
Price 4.99€
Rating 9.0
Release 25 Oct 2023

Perilous Warp

Perilous Warp is a fast-paced indie retro-shooter inspired by the classic 3D-actions. Communication with a distant space colony has been lost, and you bravely step into the teleporter with the desire for glorious adventures. But do not expect to win in a heartbeat!

Similarity 52%
Price 12.49€
Rating 7.0
Release 20 Oct 2020

Shadow Warrior

Shadow Warrior is a bold reimagining of the classic 3D Realms’ shooter from independent developer Flying Wild Hog (Hard Reset) starring the legendary and quick-witted warrior Lo Wang.

Similarity 52%
Price -90% 2.80€
Rating 9.0
Release 26 Sep 2013

Natural Selection 2

A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!

Similarity 52%
Price 4.99€
Rating 8.3
Release 30 Oct 2012

DOOM + DOOM II

Developed by id Software, and originally released in 1993 and 1994, the definitive, newly enhanced versions of DOOM + DOOM II are available as a combined product.

Similarity 52%
Price -25% 7.49€
Rating 9.4
Release 03 Aug 2007

FlyKnight

Explore, fight, loot and fish! Solo or in co-op mode in this Old School First Person Dungeon Crawler. Earn your knighthood as you oppose the evil witch Lunamoth and stop her curse which prevents everyone from growing wings.

Similarity 51%
Price 5.95€
Rating 9.4
Release 31 Jan 2025

Ashes of the Union

A vehicular shooter with roguelike elements, offering a wild take on an alternate future of the Soviet Union. Build your combat vehicle and show nature who's boss!

Similarity 51%
Price 12.79€
Rating 7.1
Release 23 Jul 2024

BrokenLore: LOW

BrokenLore: LOW is a psychological horror game set in a mist-covered, beautiful Japanese village, blending hyper-realistic graphics with low-poly elements. The main enemy is the Gashadokuro, a yokai from Japanese folklore.

Similarity 51%
Price 8.79€
Rating 7.6
Release 20 Feb 2025

Immortals of Aveum™

Immortals of Aveum is a single-player first person magic shooter that tells the story of Jak as he joins an elite order of battlemages to save a world on the edge of abyss.

Similarity 51%
Price 59.99€
Rating 6.9
Release 21 Aug 2023

Supplice

Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.

Similarity 51%
Price 14.79€
Rating 8.1
Release 06 Apr 2023

Eronoctosis: Put Yourself Together

A 2-Player Networked Horror Co-Op game. Explore the deepest recesses of your mind to put yourself back together. Work together to defend yourself from its denizens.

Similarity 51%
Price Free to play
Rating 8.7
Release 10 Oct 2021

Devolverland Expo

Devolverland Expo is a first-person 'marketing simulator' set within an abandoned convention center after the annual Devolver Digital game expo was mysteriously canceled.

Similarity 51%
Price Free to play
Rating 8.6
Release 11 Jul 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 51%
Price 19.99€
Rating 6.3
Release 18 Aug 2015

Endoparasitic 2

Three limbs ripped off, infected with a deadly parasite, you must survive. Drag yourself through the hallways of an infested arcship, fight off twisted eldritch creatures, craft vaccines and ammunition, and escape to civilization.

Similarity 51%
Price 11.79€
Rating 8.2
Release 01 Oct 2024

Legacy of Kain™ Soul Reaver 1&2 Remastered

Experience the epic conflict of Kain and Raziel in original form or with remastered graphics.

Similarity 51%
Price 28.99€
Rating 8.7
Release 10 Dec 2024

Most played games like Serious Sam: Siberian Mayhem on Steam

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

1. DayZ

Similarity 52% 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 Serious Sam: Siberian Mayhem, thanks to its 31,544 peak concurrent players over the last day.
7.6
326,984
99,557

31,544
players

2. FragPunk

Similarity 57% FragPunk is a thrilling 5v5 hero shooter where Shard Cards allow you to break the rules of combat and ensure that no two rounds are ever the same. Get ready to unleash your skills! FragPunk is a fps, free to play and hero shooter game developed and published by Bad Guitar Studio. Released on March 06th 2025 has received 35,920 reviews of which 26,418 were positive and 9,502 were negative resulting in a rating of 7.3 out of 10. While seeing 7,932 players online at once in the last 24 hours, this game is currently ranked #2 among games like Serious Sam: Siberian Mayhem based on player count.
7.3
26,418
9,502

7,932
players

3. Halo: The Master Chief Collection

Similarity 60% 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 240,453 reviews of which 222,169 were positive and 18,284 were negative resulting in an impressive rating of 9.1 out of 10. While seeing 4,638 players online at once in the last 24 hours, this game is currently ranked #3 among games like Serious Sam: Siberian Mayhem based on player count.
9.1
222,169
18,284

4,638
players

4. STALCRAFT: X

Similarity 52% STALCRAFT: X is the largest open-world online game in the Chernobyl Exclusion Zone. Explore the world full of mutants and anomalies alone or with friends — unforgettable emotions guaranteed. STALCRAFT: X is a free to play, mmorpg and multiplayer game developed and published by EXBO. Released on December 09th 2022 has received 75,642 reviews of which 57,632 were positive and 18,010 were negative resulting in a rating of 7.5 out of 10. With 4,312 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Serious Sam: Siberian Mayhem.
7.5
57,632
18,010

4,312
players

5. Deep Rock Galactic

Similarity 56% Deep Rock Galactic is a 1-4 player co-op FPS featuring badass space Dwarves, 100% destructible environments, procedurally-generated caves, and endless hordes of alien monsters. Deep Rock Galactic is a dwarf, co-op and pve game developed by Ghost Ship Games and published by Coffee Stain Publishing. Released on May 13th 2020 has received 339,834 reviews of which 330,525 were positive and 9,309 were negative resulting in an impressive rating of 9.6 out of 10. With 3,898 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Serious Sam: Siberian Mayhem.
9.6
330,525
9,309

3,898
players

6. Warhammer 40,000: Darktide

Similarity 51% 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 Serious Sam: Siberian Mayhem.
7.0
78,755
32,480

3,373
players

7. Borderlands 2

Similarity 52% The Ultimate Vault Hunter’s Upgrade lets you get the most out of the Borderlands 2 experience. Borderlands 2 is a loot, shooter and action game developed by Gearbox Software, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on September 20th 2012 has received 291,128 reviews of which 272,876 were positive and 18,252 were negative resulting in an impressive rating of 9.3 out of 10. With 2,341 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Serious Sam: Siberian Mayhem.
9.3
272,876
18,252

2,341
players

8. SCP: Secret Laboratory

Similarity 59% 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 2,310 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Serious Sam: Siberian Mayhem.
9.0
194,042
18,092

2,310
players

9. DOOM Eternal

Similarity 57% Hell’s armies have invaded Earth. Become the Slayer in an epic single-player campaign to conquer demons across dimensions and stop the final destruction of humanity. The only thing they fear... is you. DOOM Eternal is a fps, action and gore game developed by id Software and published by Bethesda Softworks. Released on March 19th 2020 has received 203,103 reviews of which 185,114 were positive and 17,989 were negative resulting in an impressive rating of 9.0 out of 10. With 1,470 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Serious Sam: Siberian Mayhem.
9.0
185,114
17,989

1,470
players

10. Half-Life 2

Similarity 55% Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat. Half-Life 2 is a fps, action and sci-fi game developed and published by Valve. Released on November 16th 2004 has received 242,865 reviews of which 237,035 were positive and 5,830 were negative resulting in an impressive rating of 9.7 out of 10. With 1,234 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Serious Sam: Siberian Mayhem.
9.7
237,035
5,830

1,234
players

Best deals on games like Serious Sam: Siberian Mayhem on Steam

Discover fantastic savings with the best discounts on a variety of games like Serious Sam: Siberian Mayhem 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 Serious Sam: Siberian Mayhem.

1. My Friendly Neighborhood

Similarity 57% Something scary is happening with everyone's favorite Saturday morning puppet show, The Friendly Neighborhood! Play as Gordon, a repairman sent to get to the bottom of this disturbing dilemma. Fend off puppets and solve puzzles in this survival horror adventure. My Friendly Neighborhood is a singleplayer, survival horror and funny game developed by John Szymanski and Evan Szymanski and published by DreadXP. Released on July 18th 2023 has received 2,725 reviews of which 2,606 were positive and 119 were negative resulting in an impressive rating of 9.1 out of 10. Featuring a massive 96% discount, this game currently holds the #1 spot in the best deals for games like Serious Sam: Siberian Mayhem.
9.1
2,606
119

-96% 32.50€ 1.30€

2. Prodeus

Similarity 58% 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 7,473 reviews of which 6,947 were positive and 526 were negative resulting in an impressive rating of 9 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like Serious Sam: Siberian Mayhem.
9
6,947
526

-95% 25.00€ 1.25€

3. Fashion Police Squad

Similarity 65% Even at this moment, our fashionable city is under assault. Baggy pants, dull suits, sightings of socks with sandals. A message needs to be sent, and it needs to be sent in style... Time to serve some good ol' Fashion Justice! Fashion Police Squad is a boomer shooter, fps and arena shooter game developed by Mopeful Games and published by No More Robots. Released on August 15th 2022 has received 1,360 reviews of which 1,198 were positive and 162 were negative resulting in a rating of 8.4 out of 10. Thanks to its incredible 95% discount, this game is now the #3 best deal in games like Serious Sam: Siberian Mayhem.
8.4
1,198
162

-95% 20.00€ 1.00€

4. Hunting Simulator 2

Similarity 52% With your hunting dog by your side, explore the Texan desert and forests of Colorado and Europe as you track down 33 animal species. Choose your gear from over 160 official weapons, accessories and clothing items (including Browning, Winchester and Bushnell). Hunting Simulator 2 is a action, hunting and adventure game developed by Nacon Studio Ghent and published by Nacon. Released on July 16th 2020 has received 858 reviews of which 576 were positive and 282 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 94% discount, this title has earned the #4 position in the best deals for games like Serious Sam: Siberian Mayhem.
6.5
576
282

-94% 43.00€ 2.58€

5. SPRAWL

Similarity 61% SPRAWL is a hardcore retro FPS set in an endless cyberpunk megalopolis. Escape the walled city and take on the militarized government of the sprawl. Fueled by the blood of your enemies and a mysterious voice in your head, make your way towards the spire to topple whatever lays within. SPRAWL is a controller, sci-fi and combat game developed by MAETH and published by Rogue Games and Inc.. Released on August 23rd 2023 has received 1,961 reviews of which 1,721 were positive and 240 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 93% discount, this title has earned the #5 position in the best deals for games like Serious Sam: Siberian Mayhem.
8.4
1,721
240

-93% 15.14€ 1.06€

6. Borderlands: The Pre-Sequel

Similarity 54% 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. Currently offered at a significant 93% discount, this title has earned the #6 position in the best deals for games like Serious Sam: Siberian Mayhem.
8
33,563
7,744

-93% 42.00€ 2.94€

7. F.E.A.R. 3

Similarity 60% 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 #7 position in the best deals for games like Serious Sam: Siberian Mayhem.
7
9,019
3,646

-93% 19.71€ 1.38€

8. INDUSTRIA

Similarity 55% Embark on a gripping journey in INDUSTRIA, an atmospheric FPS set in Cold War-era East Berlin. Unravel the secrets of a mysterious parallel dimension while searching for a missing colleague. Explore a haunting reality where the truth awaits. Discover the dark past that lies beyond. INDUSTRIA is a fps, action and sci-fi game developed by Bleakmill and published by Headup. Released on September 30th 2021 has received 3,200 reviews of which 2,273 were positive and 927 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 93% discount, this title has earned the #8 position in the best deals for games like Serious Sam: Siberian Mayhem.
6.9
2,273
927

-93% 20.29€ 1.42€

9. Them and Us

Similarity 53% Them and Us is a classic, survival horror game with a focus on atmosphere and player immersion. Discover the truth of Alicia’s past as she descends further into her strange, unending nightmare. Them and Us is a female protagonist, survival horror and horror game developed by TendoGames Co. and Ltd. and published by TendoGames Co., Ltd. and 方块游戏(CubeGame). Released on September 28th 2021 has received 1,368 reviews of which 1,044 were positive and 324 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 92% discount, this title has earned the #9 position in the best deals for games like Serious Sam: Siberian Mayhem.
7.3
1,044
324

-92% 32.50€ 2.60€

10. Tormented Souls

Similarity 55% Classic survival horror is back! Inspired by the original Resident Evil and Alone in the Dark series, Tormented Souls modernises with a fresh twist on the fixed perspective adventure - as Caroline Walker investigates the mysterious disappearance of twin girls in a terrifying mansion-turned-hospital. Tormented Souls is a survival horror, horror and puzzle game developed by Dual Effect and Abstract Digital and published by PQube. Released on August 26th 2021 has received 5,972 reviews of which 5,446 were positive and 526 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 91% discount, this title has earned the #10 position in the best deals for games like Serious Sam: Siberian Mayhem.
8.8
5,446
526

-91% 19.56€ 1.76€

Free games like Serious Sam: Siberian Mayhem on Steam

Check out this fantastic list of free-to-play games like Serious Sam: Siberian Mayhem 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 Serious Sam: Siberian Mayhem.

1. FragPunk

Similarity 57% FragPunk is a thrilling 5v5 hero shooter where Shard Cards allow you to break the rules of combat and ensure that no two rounds are ever the same. Get ready to unleash your skills! FragPunk is a fps, free to play and hero shooter game developed and published by Bad Guitar Studio. Released on March 06th 2025 has received 35,920 reviews of which 26,418 were positive and 9,502 were negative resulting in a rating of 7.3 out of 10. With 7,932 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Serious Sam: Siberian Mayhem.
7.3
26,418
9,502

7,932
players

2. STALCRAFT: X

Similarity 52% STALCRAFT: X is the largest open-world online game in the Chernobyl Exclusion Zone. Explore the world full of mutants and anomalies alone or with friends — unforgettable emotions guaranteed. STALCRAFT: X is a free to play, mmorpg and multiplayer game developed and published by EXBO. Released on December 09th 2022 has received 75,642 reviews of which 57,632 were positive and 18,010 were negative resulting in a rating of 7.5 out of 10. Thanks to its free to play tag and a daily player base of 4,312, this game has secured the #2 spot in the ranking of free games like Serious Sam: Siberian Mayhem.
7.5
57,632
18,010

4,312
players

3. SCP: Secret Laboratory

Similarity 59% 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. Thanks to its free to play tag and a daily player base of 2,310, this game has secured the #3 spot in the ranking of free games like Serious Sam: Siberian Mayhem.
9.0
194,042
18,092

2,310
players

4. No More Room in Hell

Similarity 52% 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. Attracting a solid base of 312 players due to its free access, this strategy game has achieved the #4 position in the best free games like Serious Sam: Siberian Mayhem.
8.9
66,520
7,481

312
players

5. 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 #5 position in the best free games like Serious Sam: Siberian Mayhem.
8.7
65,020
8,446

275
players

6. Counter-Strike Nexon

Similarity 54% 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 #6 position in the best free games like Serious Sam: Siberian Mayhem.
6.6
28,330
14,288

219
players

7. Garten of Banban 0

Similarity 53% Explore the origins of the mysterious Banban’s Kindergarten. Survive the dark past of the establishment. Try to make some friends. Uncover the truth behind the place, and who you are… Garten of Banban 0 is a horror, singleplayer and first-person game developed and published by Euphoric Brothers. Released on February 21st 2025 has received 2,548 reviews of which 1,848 were positive and 700 were negative resulting in a rating of 7.0 out of 10. The game currently holds the #7 spot among the most played free games like Serious Sam: Siberian Mayhem.
7.0
1,848
700

62
players

8. PAPERHEAD EP.0

Similarity 63% In this cute cardboard world, something went horribly wrong... You wake up in a prison cell. A strange voice calls to you from the depths of dark corridors covered in runic symbols and blood. Reload your trusty shotgun and find out... WHY WOULD CARDBOARD... BLEED? PAPERHEAD EP.0 is a fps, fast-paced and singleplayer game developed by Paperhead te4m and published by HypeTrain Digital. Released on November 14th 2024 has received 1,560 reviews of which 1,455 were positive and 105 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #8 spot among the most played free games like Serious Sam: Siberian Mayhem.
8.9
1,455
105

38
players

9. Classic Marathon

Similarity 60% 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 883 reviews of which 812 were positive and 71 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #9 spot among the most played free games like Serious Sam: Siberian Mayhem.
8.7
812
71

26
players

10. Zombie Panic! Source

Similarity 59% 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 Serious Sam: Siberian Mayhem.
8.2
6,533
1,184

19
players