Games like Half-Life: Source on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Half-Life: Source are available at the bottom of the page.
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Deus Ex: Mankind Divided
Now an experienced covert operative, Adam Jensen is forced to operate in a world that has grown to despise his kind. Armed with a new arsenal of state-of-the-art weapons and augmentations, he must choose the right approach, along with who to trust, in order to unravel a vast worldwide conspiracy.
Battlezone 98 Redux
One of the greatest sci-fi strategy games of all time returns with remastered visuals, online multiplayer and near unlimited mod content from Steam Workshop. Experience thrilling first person action and acclaimed RTS in this explosive alternate vision of the 1960s space race.
Deus Ex: Human Revolution - Director's Cut
You play Adam Jensen, an ex-SWAT specialist who's been handpicked to oversee the defensive needs of one of America's most experimental biotechnology firms. Your job is to safeguard company secrets, but when a black ops team breaks in and kills the very scientists you were hired to protect, everything you thought you knew about your job...
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.
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.
Dino Trauma
Dino Trauma introduces you to a secret laboratory somewhere in eastern Europe where gore and dinosaurs aren't unusual things. Retro FPS inspired by the '90s legends.
Crysis 2 Remastered
Relive the legendary single-player campaign from the classic first-person shooter, Crysis 2, optimized for today's hardware in Crysis 2 Remastered.
STAR WARS™ Battlefront (Classic, 2004)
Fight the greatest battles in the STAR WARS universe any way you want to. The choice is yours.
WRATH: Aeon of Ruin
Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.
Quake Champions
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.
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!
Call of Duty®: Black Ops II
Pushing the boundaries of what fans have come to expect from the record-setting entertainment franchise, Call of Duty®: Black Ops II propels players into a near future Cold War
Serious Sam 3: BFE
Serious Sam 3: BFE is a prequel to the original indie fast action FPS and Game of the Year sensation - Serious Sam: The First Encounter!
Fallout: New Vegas
Welcome to Vegas. New Vegas. Enjoy your stay!
NecroVision
War is Hell. NecroVision is a first-person shooter that takes gamers across the frantic battlegrounds of World War I and into a dark underworld of vampires, demons and dark magic.
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.
RoboCop: Rogue City
Become the legendary part man, part machine, all cop hero and deliver justice in Old Detroit.
STAR WARS™ Battlefront™ II
Be the hero in the ultimate STAR WARS™ battle fantasy with STAR WARS™ Battlefront™ II: Celebration Edition!
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.
Moon Mystery
The Moon's haunted - and when an astronaut loses contact with Earth, the adventure begins in full. Fill up your oxygen, load up the guns, and set out on an interstellar FPS adventure across the stars, filled with puzzles, fights, exploration, and strange secrets of the universe.
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!Most played games like Half-Life: Source on Steam
Take a look at the top games like Half-Life: Source that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.
1. Red Dead Redemption 2
Similarity 57% Winner of over 175 Game of the Year Awards and recipient of over 250 perfect scores, RDR2 is the epic tale of outlaw Arthur Morgan and the infamous Van der Linde gang, on the run across America at the dawn of the modern age. Also includes access to the shared living world of Red Dead Online. Red Dead Redemption 2 is a open world, story rich and western game developed and published by Rockstar Games. Released on December 05th 2019 has received 717,516 reviews of which 661,377 were positive and 56,139 were negative resulting in an impressive rating of 9.1 out of 10. The game has hit the top spot as the #1 most played game like Half-Life: Source, thanks to its 21,238 peak concurrent players over the last day.
9.1
661,377
56,139
21,238
players
2. Left 4 Dead 2
Similarity 55% Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008. This co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns. Left 4 Dead 2 is a zombies, co-op and fps game developed and published by Valve. Released on November 16th 2009 has received 955,598 reviews of which 932,058 were positive and 23,540 were negative resulting in an impressive rating of 9.7 out of 10. While seeing 17,964 players online at once in the last 24 hours, this game is currently ranked #2 among games like Half-Life: Source based on player count.
9.7
932,058
23,540
17,964
players
3. Cyberpunk 2077
Similarity 55% Cyberpunk 2077 is an open-world, action-adventure RPG set in the dark future of Night City — a dangerous megalopolis obsessed with power, glamor, and ceaseless body modification. Cyberpunk 2077 is a cyberpunk and open world game developed and published by CD PROJEKT RED. Released on December 09th 2020 has received 834,940 reviews of which 703,079 were positive and 131,861 were negative resulting in a rating of 8.4 out of 10. While seeing 16,687 players online at once in the last 24 hours, this game is currently ranked #3 among games like Half-Life: Source based on player count.
8.4
703,079
131,861
16,687
players
4. Fallout 4
Similarity 62% Bethesda Game Studios, the award-winning creators of Fallout 3 and The Elder Scrolls V: Skyrim, welcome you to the world of Fallout 4 – their most ambitious game ever, and the next generation of open-world gaming. Fallout 4 is a open world, post-apocalyptic and singleplayer game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on November 09th 2015 has received 390,364 reviews of which 324,290 were positive and 66,074 were negative resulting in a rating of 8.2 out of 10. With 11,693 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Half-Life: Source.
8.2
324,290
66,074
11,693
players
5. Unturned
Similarity 55% You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living. Unturned is a free to play, survival and zombies game developed and published by Smartly Dressed Games. Released on July 07th 2017 has received 554,408 reviews of which 505,746 were positive and 48,662 were negative resulting in an impressive rating of 9.1 out of 10. With 8,988 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Half-Life: Source.
9.1
505,746
48,662
8,988
players
6. Halo: The Master Chief Collection
Similarity 81% 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. With 4,638 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Half-Life: Source.
9.1
222,169
18,284
4,638
players
7. Fallout: New Vegas
Similarity 61% Welcome to Vegas. New Vegas. Enjoy your stay! Fallout: New Vegas is a open world, rpg and post-apocalyptic game developed by Obsidian Entertainment and published by Bethesda Softworks. Released on October 21st 2010 has received 226,078 reviews of which 217,239 were positive and 8,839 were negative resulting in an impressive rating of 9.5 out of 10. With 4,253 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Half-Life: Source.
9.5
217,239
8,839
4,253
players
8. Call of Duty®: Black Ops III
Similarity 66% 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 213,641 reviews of which 180,012 were positive and 33,629 were negative resulting in a rating of 8.3 out of 10. With 3,522 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Half-Life: Source.
8.3
180,012
33,629
3,522
players
9. Halo Infinite
Similarity 69% From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. Halo Infinite is a free to play, fps and multiplayer game developed by 343 Industries and published by Xbox Game Studios. Released on November 15th 2021 has received 176,400 reviews of which 123,072 were positive and 53,328 were negative resulting in a rating of 6.9 out of 10. With 2,398 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Half-Life: Source.
6.9
123,072
53,328
2,398
players
10. Borderlands 2
Similarity 55% 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 #10 spot among the most played games like Half-Life: Source.
9.3
272,876
18,252
2,341
players
Best deals on games like Half-Life: Source on Steam
Discover fantastic savings with the best discounts on a variety of games like Half-Life: Source 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 Half-Life: Source.
1. My Friendly Neighborhood
Similarity 54% 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 Half-Life: Source.
9.1
2,606
119
-96%
32.50€
1.30€
2. Prodeus
Similarity 65% 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 Half-Life: Source.
9
6,947
526
-95%
25.00€
1.25€
3. Borderlands: The Pre-Sequel
Similarity 58% 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. Thanks to its incredible 93% discount, this game is now the #3 best deal in games like Half-Life: Source.
8
33,563
7,744
-93%
42.00€
2.94€
4. F.E.A.R. 3
Similarity 70% 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 #4 position in the best deals for games like Half-Life: Source.
7
9,019
3,646
-93%
19.71€
1.38€
5. INDUSTRIA
Similarity 62% 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 #5 position in the best deals for games like Half-Life: Source.
6.9
2,273
927
-93%
20.29€
1.42€
6. Marvel's Guardians of the Galaxy
Similarity 54% Fire up a wild ride across the cosmos with a fresh take on Marvel’s Guardians of the Galaxy. In this action-adventure game, you are Star-Lord leading the unpredictable Guardians from one explosion of chaos to the next. You got this. Probably. Marvel's Guardians of the Galaxy is a singleplayer, story rich and action game developed by Eidos-Montréal and published by Eidos Interactive Corp.. Released on October 26th 2021 has received 38,718 reviews of which 36,453 were positive and 2,265 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 92% discount, this title has earned the #6 position in the best deals for games like Half-Life: Source.
9.2
36,453
2,265
-92%
62.38€
4.99€
7. Metro 2033 Redux
Similarity 70% 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 103,741 reviews of which 94,593 were positive and 9,148 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 92% discount, this title has earned the #7 position in the best deals for games like Half-Life: Source.
9.0
94,593
9,148
-92%
18.75€
1.50€
8. Them and Us
Similarity 56% 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 #8 position in the best deals for games like Half-Life: Source.
7.3
1,044
324
-92%
32.50€
2.60€
9. Back 4 Blood
Similarity 54% Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action. Back 4 Blood is a zombies, online co-op and multiplayer game developed by Turtle Rock Studios and published by Warner Bros. Games. Released on October 12th 2021 has received 67,866 reviews of which 46,414 were positive and 21,452 were negative resulting in a rating of 6.8 out of 10. Currently offered at a significant 92% discount, this title has earned the #9 position in the best deals for games like Half-Life: Source.
6.8
46,414
21,452
-92%
62.25€
4.98€
10. Fobia - St. Dinfna Hotel
Similarity 54% Explore a decadent hotel across different timelines and uncover the dark history of a fanatical cult and your role in their plans. Fobia - St. Dinfna Hotel is a indie, survival horror and violent game developed by Pulsatrix Studios and published by Maximum Entertainment. Released on June 28th 2022 has received 1,922 reviews of which 1,646 were positive and 276 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 91% discount, this title has earned the #10 position in the best deals for games like Half-Life: Source.
8.2
1,646
276
-91%
26.00€
2.34€
Free games like Half-Life: Source on Steam
Check out this fantastic list of free-to-play games like Half-Life: Source 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 Half-Life: Source.
1. Unturned
Similarity 55% You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living. Unturned is a free to play, survival and zombies game developed and published by Smartly Dressed Games. Released on July 07th 2017 has received 554,408 reviews of which 505,746 were positive and 48,662 were negative resulting in an impressive rating of 9.1 out of 10. With 8,988 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Half-Life: Source.
9.1
505,746
48,662
8,988
players
2. Halo Infinite
Similarity 69% From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. Halo Infinite is a free to play, fps and multiplayer game developed by 343 Industries and published by Xbox Game Studios. Released on November 15th 2021 has received 176,400 reviews of which 123,072 were positive and 53,328 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 2,398, this game has secured the #2 spot in the ranking of free games like Half-Life: Source.
6.9
123,072
53,328
2,398
players
3. Cry of Fear
Similarity 57% 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. Thanks to its free to play tag and a daily player base of 275, this game has secured the #3 spot in the ranking of free games like Half-Life: Source.
8.7
65,020
8,446
275
players
4. Quake Champions
Similarity 61% 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 38,296 reviews of which 28,247 were positive and 10,049 were negative resulting in a rating of 7.3 out of 10. Attracting a solid base of 187 players due to its free access, this strategy game has achieved the #4 position in the best free games like Half-Life: Source.
7.3
28,247
10,049
187
players
5. TOXIKK™
Similarity 59% FRAG LIKE IT'S 1999! TOXIKK plays as if today's military shooters never existed: Designed as a spiritual successor to the FPS giants of the late 90s and early 2ks, TOXIKK carefully evolves their mechanics with modern technology and fresh ideas elaborated with Arena-FPS enthusiasts. TOXIKK™ is a fps, action and free to play game developed by Reakktor Studios and published by Schwiezer System GmbH. Released on September 10th 2016 has received 5,795 reviews of which 4,472 were positive and 1,323 were negative resulting in a rating of 7.5 out of 10. The game currently holds the #5 spot among the most played free games like Half-Life: Source.
7.5
4,472
1,323
61
players
6. Classic Marathon
Similarity 62% 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 #6 spot among the most played free games like Half-Life: Source.
8.7
812
71
26
players
7. The Lab
Similarity 58% Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free! The Lab is a free to play, vr and singleplayer game developed and published by Valve. Released on April 05th 2016 has received 6,347 reviews of which 6,030 were positive and 317 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #7 spot among the most played free games like Half-Life: Source.
9.2
6,030
317
9
players
8. BRINK
Similarity 58% You decide the combat role you want to assume in the world of Brink as you fight to save yourself and mankind’s last refuge! BRINK is a fps, action and multiplayer game developed by Splash Damage and published by Bethesda Softworks. Released on May 09th 2011 has received 7,923 reviews of which 4,980 were positive and 2,943 were negative resulting in a rating of 6.2 out of 10. The game currently holds the #8 spot among the most played free games like Half-Life: Source.
6.2
4,980
2,943
7
players
9. Transmissions: Element 120
Similarity 65% 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 9,786 reviews of which 9,248 were positive and 538 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #9 spot among the most played free games like Half-Life: Source.
9.2
9,248
538
4
players
10. Quake II RTX
Similarity 63% Quake II RTX is a cutting-edge, ray-traced reimagining of id software’s old school classic, by NVIDIA’s Lightspeed Studios. Global lighting effects, including realistic reflections, refraction, shadows, ambient occlusion and global illumination are a result of the path-traced simulation of light. Quake II RTX is a free to play, action and fps game developed by Lightspeed Studios™ and published by NVIDIA. Released on June 06th 2019 has received 4,568 reviews of which 3,993 were positive and 575 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #10 spot among the most played free games like Half-Life: Source.
8.5
3,993
575
4
players