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.
BioShock® 2
Set approximately 10 years after the events of the original BioShock, the halls of Rapture once again echo with sins of the past. Along the Atlantic coastline, a monster has been snatching little girls and bringing them back to the undersea city of Rapture.Call of Duty®: Black Ops III
Call of Duty®: Black Ops III Zombies Chronicles Edition includes the full base game plus the Zombies Chronicles content expansion.Alien: Isolation
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.STAR WARS™ Battlefront II (Classic, 2005)
Join the rise of Darth Vader’s elite 501st Legion of Stormtroopers as you fight through an all new story-based saga where every action you take impacts the battlefront and, ultimately, the fate of the Star Wars galaxy.Transmissions: Element 120
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?Serious Sam Classic: The Second Encounter
Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month February 2002!Serious Sam Classic: The First Encounter
Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!Call of Juarez: Bound in Blood
THE OLD WEST, 1864. In order to save their family, the McCall brothers will kill anyone who stands between them and the legendary Gold of Juarez.Call of Duty: World at War
Call of Duty is back, redefining war like you've never experienced before. Building on the Call of Duty 4®: Modern Warfare engine, Call of Duty: World at War immerses players into the most gritty and chaotic WWII combat ever experienced.Call of Juarez
Call of Juarez is an epic adventure western themed FPS game. The player alternately assumes the roles of two distinct, antagonistic characters: a sneaking fugitive Billy and his hunter the reverend Ray.Deathmatch Classic
Enjoy fast-paced multiplayer gaming with Deathmatch Classic (a.k.a. DMC). Valve's tribute to the work of id software, DMC invites players to grab their rocket launchers and put their reflexes to the test in a collection of futuristic settings.Prodeus
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.killer7
Sneak into a world of underground assassins as Harman Smith, a man who manifests 7 deadly personalities, the killer7. Take control of this distinct murderers' row as they hunt down the sinister Kun Lan to thwart his plan of world dominance.Wolfenstein II: The New Colossus
America, 1961. The assassination of Nazi General Deathshead was a short-lived victory. The Nazis maintain their stranglehold on the world. You are BJ Blazkowicz, aka “Terror-Billy,” member of the Resistance, scourge of the Nazi empire, and humanity’s last hope for liberty.Bulletstorm: Full Clip Edition
Step into the boots of Grayson Hunt after a crash landing on an old resort planet forces him to make a hard choice: survival or revenge. Execute masterful kills with Bulletstorm: Full Clip Edition’s unique combat system that rewards you for performing the most creative and deadly kills imaginable.Crysis Remastered
The classic first person shooter from Crytek is back with the action-packed gameplay, sandbox world, and thrilling epic battles you loved the first time around – now with remastered graphics optimized for a new generation of hardware.STAR WARS™ Battlefront
The STAR WARS™ Battlefront™ Ultimate Edition includes the STAR WARS™ Battlefront™ Deluxe Edition as well as the STAR WARS™ Battlefront™ Season Pass.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!Ion Fury
3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, are excited to team up with Voidpoint to bring back the legendary Build Engine, famously known for classic first-person shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Ion Fury is the real deal!Judge Dredd: Dredd vs. Death
Welcome to Mega-City One, a city of over 400 million people - every one of them a potential criminal. It is the third decade of the 22nd Century, unemployment is widespread, boredom is universal and only the Judges can prevent total anarchy. Empowered to dispense instant justice, they are Judge, Jury and Executioner all in one.Spirits of Xanadu
At the farthest edge of the explored universe, the research ship Xanadu slumbers in orbit around a mysterious planet. Her systems remain active but there has been no message from her crew for months. Now a lone operative has been sent to wake the Xanadu and bring her home to Earth.Realms of the Haunting
Forged in the Beginning and protected by the Seven Seals, there lies a place where thought and creation intertwine. The center for all realms of existence, it is the balancing force between good and evil, man and spirit. A focal point for all energies, and the one element that has kept the consuming nature of darkness at bay... Until now.Quake II RTX
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.Prey
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.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.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.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.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.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.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.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.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.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.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.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.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.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.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.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. 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.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.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.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.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.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.