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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Forgive Me Father 2

Embark on a journey into the darkest nightmares to restore your sanity. Blast your way through hordes of possessed enemies, unlock an arsenal of deadly weapons and unearthly abilities, and get ready to face even more Lovecraftian madness in this action-packed FPS sequel.

Similarity 78%
Price -81% 4.70€
Rating 8.2
Release 24 Oct 2024

Bloodhound

Crush the cult of Astaroth and vanquish her hellspawn, make them squeal and hide where they came from. Enjoy a Fresh Look & Old Fun in this arcade horror FPS game inspired by the legends of the 90s.

Similarity 75%
Price 12.79€
Rating 6.5
Release 18 Jul 2023

Chasm: The Rift

Prepare for terror in this ground-breaking classic old-school FPS. Following the destruction of Time you are left to battle in this horrific hellhole of multilevel interconnected missions populated by gruesome grotesque creatures.

Similarity 72%
Price -50% 9.99€
Rating 8.0
Release 10 Oct 2022

Quake 4

As part of the elite Rhino Squad, you must spearhead Earth’s military invasion of a hostile alien homeworld. But, in this desperate war for humanity’s survival against an unrelenting enemy, you may discover that the only way to defeat them...is to become one of them.

Similarity 71%
Price -73% 3.99€
Rating 8.4
Release 04 Aug 2011

AMID EVIL

A retro FPS for the ages! Once branded a HERETIC. Now YOU have been chosen as our champion! Reclaim our sacred weapons. Take back our ancient lands. If you can stand... AMID EVIL.

Similarity 71%
Price 19.49€
Rating 9.1
Release 20 Jun 2019

PowerSlave Exhumed

PowerSlave Exhumed is a KEX Engine port of the classic console game perfectly blending both the PlayStation & Saturn versions

Similarity 70%
Price -84% 2.65€
Rating 8.5
Release 10 Feb 2022

Apartament 1406: Horror

Apartment 1406 is an intense horror game, that challenges you to constantly survive in a hostile environment. Collect items to survive against limited ammo and creatures that lurk in the dark. Solve the puzzles and survive in this dark game.

Similarity 69%
Price 4.99€
Rating 7.3
Release 24 Aug 2023

Hands of Necromancy

Hands of Necromancy is a Dark Fantasy FPS metroidvania, inspired by classics such as Heretic and made with the GZDoom engine. Wield weapons, magic or transform into a fearsome monster to slay your foes, then raise them as undead servants and unleash even more carnage to become a master Necromancer!

Similarity 69%
Price 4.99€
Rating 8.0
Release 20 Jun 2022

CULTIC

Death is only the beginning. Crawl from your grave and gear up to fight your way through the ranks of a mysterious and twisted cult. You, your guns, and your dynamite will have to shoot, slide, blast, duck, dodge, and maybe throw a gib or two to survive in this old-school-inspired shooter.

Similarity 69%
Price 9.75€
Rating 9.5
Release 13 Oct 2022

Hexen: Beyond Heretic

While the Sidhe elf Corvus battled the evil forces of D'Sparil, the remaining Serpent Riders were busy corrupting other dimensions. As a Warrior, Mage, or Cleric, you must defend your realm of Cronos from the second Serpent Rider known as Korax.

Similarity 69%
Price 4.99€
Rating 8.2
Release 03 Aug 2007

Ruined Nurse

Explore the hospital by Thwarting the creatures that are trying to stop you and solving puzzles. Successfully install the internet and surprise customer...

Similarity 68%
Price 6.89€
Rating 7.7
Release 02 Dec 2024

Skinwalker Hunt

Skinwalker Hunt is a horror themed hunting game from the creator of Witch Hunt. Main focus of the game is on exploration, non-linear gameplay, and atmosphere.

Similarity 68%
Price -40% 7.67€
Rating 8.6
Release 19 Aug 2022

Metal Garden

Travel through an overgrown megastructure, and discover what lies beyond it. Metal Garden is a short, atmospheric singleplayer FPS game.

Similarity 68%
Price 5.89€
Rating 8.9
Release 21 Mar 2025

Bloodshed

Bloodshed is a Roguelite Survivors FPS; an exhilarating fusion of Roguelite elements merged with retro-styled visuals and first-person “Survivors-like” frenetic combat action!

Similarity 68%
Price 12.99€
Rating 8.4
Release 12 Dec 2024

Zortch

Meet Zortch Maxinum: short order cook, amateur engineer and professional slacker; Bored and tired of her day job she decides to go on a holiday but alas she picks a cheap option: turns out it's a scheme by aliens who capture humans to eat their brains! also this game is a sci-fi horror comedy fps

Similarity 68%
Price 4.60€
Rating 9.2
Release 08 Jun 2023

Frogmonster

Discover some of the most charming and challenging souslike bosses in Frogmonster, a Metroidvania FPS adventure where you explore a lively world filled with creatures, bugs, and beasts.

Similarity 68%
Price 19.50€
Rating 9.0
Release 02 Apr 2024

INCISION

All old-school FPS action. No Bullshit. Lots of blood & gore. Slaughter your way through nightmarish industrial mazes, transformed cityscapes and surreal alien structures to cut down the Growth in this ultraviolent, fast-paced, and merciless retro-styled first person shooter.

Similarity 68%
Price 13.99€
Rating 8.5
Release 16 Sep 2022

HeXen II

The Four Horsemen of the Apocalypse lurk in the shadows before you. They are Death, Pestilence, Famine, and War. They are the root of all that is evil, but the least of your worries. The last of the three Serpent Riders yet lives.

Similarity 68%
Price 4.99€
Rating 7.5
Release 03 Aug 2007

Chambers: The Outlaw

Take a bite of GETTING CHAMBERED in the Wild West: improvise to survive. Feed and take care of your horses. Open World with warring factions. Skills and upgrades: catch bullets, eat hats, summon bears. Revolver Monsters!

Similarity 67%
Price Free to play
Rating 7.6
Release 10 May 2024

Turok

A world where time has no meaning - and evil knows no bounds. Torn from a world long gone, the time traveling warrior Turok has found himself thrust into a savage land torn by conflict.

Similarity 67%
Price 19.99€
Rating 9.0
Release 17 Dec 2015

Metal: Hellsinger

Slay to the rhythm of metal and vengeance on an infernal journey through the eight Hells. Make them fear the beat. Metal: Hellsinger is a rhythm FPS bursting with demons, badass weapons, and heavy metal music.

Similarity 66%
Price -89% 3.21€
Rating 9.4
Release 15 Sep 2022

Serious Sam Classics: Revolution

Serious Sam is a high-adrenaline arcade-action shooter heavily focused on frantic action. In a world where cyberpunk meets fantasy-fiction and advanced technology is mixed with black magic and psycho-powers, Sam travels through four beautiful worlds, confronting countless foes on his way to Mental's base.

Similarity 66%
Price 9.75€
Rating 8.7
Release 30 Aug 2019

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 66%
Price 0.99€
Rating 8.1
Release 09 Apr 2021

Syndrome

Syndrome, a sci-fi survival horror game that places you in a living hell inside a doomed starship. Find out what happened to your lost crew. Run. Hide. Fight. Survive.

Similarity 66%
Price -70% 5.99€
Rating 6.2
Release 06 Oct 2016

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