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.

Filters & Lists
Battlefield 3™ Enjoy total freedom to fight the way you want. Explore 29 massive multiplayer maps and use loads of vehicles, weapons, and gadgets to help you turn up the heat. Every second of battle gets you closer to unlocking tons of extras and moving up in the Ranks. So get in the action.

Similarity 55%
Price 39.99€
Rating 6.9
Release 11 Jun 2020
ShootMania Storm ShootMania the FPS “Powered By Players”ShootMania Storm is revolutionizing the multiplayer FPS by adding a community dimension and unlimited replayability. Developed by the Nadeo studio, renowned for community racing game, TrackMania, ShootMania Storm boasts quick-fire matches and epic battles, where only your talent will distinguish you...

Similarity 55%
Price -93% 1.49€
Rating 8.1
Release 10 Apr 2013
Outcast 1.1 Outcast 1.1 is an enhanced version of the critically acclaimed action-adventure game developed in 1999 by Appeal for the PC.

Similarity 55%
Price -88% 0.66€
Rating 8.3
Release 18 Dec 2014
Outcast - Second Contact Outcast – Second Contact is the complete remake of the cult title which sparked the open world, action-adventure genre. Take off on an exploration of Adelpha, an alien world as beautiful as it is dangerous, where your heroic journey places the fate of two worlds in your hands.

Similarity 55%
Price -97% 0.53€
Rating 7.4
Release 14 Nov 2017
Aimbeast The ultimate training and warmup solution for FPS/TPS players: Aimbeast combines human-like AI and lot of useful scenarios to make you better at all types of shooters in a fast and efficient way. Are you ready to become an Aimbeast?

Similarity 55%
Price 7.79€
Rating 8.9
Release 13 May 2020
Shrine II Shrine II is a retro FPS game with a focus on atmosphere and exploration. Explore a nightmarish world and battle great bosses where the surprises never end...

Similarity 55%
Price Free to play
Rating 8.7
Release 22 Sep 2020
Guardians Frontline Guardians Frontline is a sci-fi VR shooter that makes you a soldier and a commander. Fight off enemies and build bases in a single-player and co-op campaign, plus PvP game modes with full cross-play support.

Similarity 55%
Price -92% 2.01€
Rating 7.7
Release 09 Mar 2023
Pandemonium Join two kindred spirits, Fargus the Jester and Nikki the acrobat in a fantastic 3D world of magic and mystery as they bounce, tumble and jump through 18 massive and diverse levels in search of the Wishing Engine!Key Features:Fast-paced 3D platform action in a lush, texture-mapped environment.

Similarity 55%
Price -92% 0.50€
Rating 6.2
Release 08 Oct 2013
Classic Marathon 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.

Similarity 54%
Price Free to play
Rating 8.6
Release 10 May 2024
I Am Sakuya: Touhou FPS Game Dodge bullets, shoot enemies and even stop time as you navigate through 15 beautiful levels in this perfect blend of bullet hell and FPS. Uncover the origins of Sakuya Izayoi's past and investigate the mansion where the scarlet vampires resides in this Touhou Project Fangame!

Similarity 54%
Price 7.79€
Rating 8.5
Release 13 Sep 2022
Shadow Warrior 3: Definitive Edition Take an adrenaline-fueled journey through a mythical Japanese realm in the Definitive Edition of Shadow Warrior 3, packed with new features, and enjoy an ultraviolent blend of fast-paced gunplay, razor-sharp melee combat, and spectacular free-running movement.

Similarity 54%
Price 38.99€
Rating 6.7
Release 01 Mar 2022
Terminator: Resistance Terminator: Resistance, is a first-person shooter set during the 'Future War' scenario that was only glimpsed at in the iconic films, 'THE TERMINATOR' and 'T2: JUDGMENT DAY'. The machines are destined to lose, but at what cost?

Similarity 54%
Price -69% 12.75€
Rating 9.0
Release 14 Nov 2019
Freespace 2 FreeSpace 2, the follow up to the classic Descent: FreeSpace – The Great War is ready to engage you in the second round. Follow the Grand Terran Vasudan Alliance further into the mysteries of the Shivans. Get your flight stick and hit the flight deck. The last time was just a warm up.

Similarity 54%
Price 9.99€
Rating 7.4
Release 06 Jun 2014
STAR WARS™ Battlefront™ II Be the hero in the ultimate STAR WARS™ battle fantasy with STAR WARS™ Battlefront™ II: Celebration Edition!

Similarity 54%
Price 39.99€
Rating 8.6
Release 11 Jun 2020
Project Pulsation Project Pulsation - a sci-fi first person shooter with elements of horror and stealth. The distant space station 'Complex' located nearby Thanatos Asteroid keeps a valuable Artifact. Fight your way through turrets, unknown creatures and mysterious ghosts, survive and try to get back.

Similarity 54%
Price 4.99€
Rating 6.7
Release 15 Dec 2015
Rise of Liberty Rise of Liberty is a FPS single-player massive Revolutionary War battle simulator. Fire deafening cannons into the thick of the battle, stand in line formation and fire devastating volleys into the enemy. Gather your men for these monumental battles and defeat the enemy!

Similarity 54%
Price 6.59€
Rating 8.1
Release 30 May 2019
Havoc Havoc is an arcade tactical first-person shooter with semi-destructible environments. It offers a variety of game modes, including Bomb Defusal, Team Deathmatch, Free for All, and Gun Game, along with extensive options to customize lobby settings to your preferences.

Similarity 54%
Price Free to play
Rating 6.5
Release 22 Jul 2024
Cheaters Cheetah Everyone will be given ACTUAL CHEATS in this multiplayer shooter. Use wallhacks and aimbots to your advantage and dominate the other cheetahs. The winner will get to BAN all losers!

Similarity 54%
Price 9.75€
Rating 6.4
Release 10 Mar 2025
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.

Similarity 54%
Price Free to play
Rating 8.4
Release 06 Jun 2019
MechWarrior 5: Clans In MECHWARRIOR 5: CLANS, players become new Smoke Jaguar pilots in the Clan Invasion of the Inner Sphere. Lead a five-mech "Star" squad across diverse planets, engaging in an expansive campaign with immersive gameplay and intricate combat. Customize BattleMechs and explore strategic options.

Similarity 54%
Price -35% 19.07€
Rating 7.3
Release 16 Oct 2024
STAR WARS™: Rogue Squadron 3D It is a time of great rejoicing in the galaxy. Luke Skywalker, with the help of Wedge Antilles, has blown up the Death Star. But there is little time to celebrate. The mighty Empire is gathering strength for a determined, all-out assault on the Rebel forces.

Similarity 54%
Price 9.75€
Rating 7.0
Release 29 Mar 2016
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 54%
Price 0.99€
Rating 8.1
Release 09 Apr 2021
STAR WARS™ Knights of the Old Republic™ It is four thousand years before the Galactic Empire and hundreds of Jedi Knights have fallen in battle against the ruthless Sith. You are the last hope of the Jedi Order. Can you master the awesome power of the Force on your quest to save the Republic? Or will you fall to the lure of the dark side?

Similarity 53%
Price 9.75€
Rating 8.9
Release 05 Sep 2009
STAR WARS™ SHADOWS OF THE EMPIRE™ As Luke Skywalker and the Rebel Alliance struggle to defeat Darth Vader and the Empire, a new threat arises. Dark Prince Xizor aspires to take Darth Vader's place at the Emperor's side. As Dash Rendar, it's up to you to protect Luke and help the Alliance. May the Force be with you!

Similarity 53%
Price 5.89€
Rating 7.1
Release 07 Feb 2017

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 June 16th 2025.

1. Counter-Strike: Source

Similarity 50% Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology. Counter-Strike: Source is a shooter, fps and action game developed and published by Valve. Released on November 01st 2004 has received 182,234 reviews of which 175,426 were positive and 6,808 were negative resulting in an impressive rating of 9.5 out of 10. The game has hit the top spot as the #1 most played game like Half-Life: Source, thanks to its 11,527 peak concurrent players over the last day.
9.5
175,426
6,808

11,527
players

2. STAR WARS™ Battlefront™ II

Similarity 54% Be the hero in the ultimate STAR WARS™ battle fantasy with STAR WARS™ Battlefront™ II: Celebration Edition! STAR WARS™ Battlefront™ II is a multiplayer, shooter and singleplayer game developed by DICE and published by Electronic Arts. Released on June 11th 2020 has received 71,208 reviews of which 62,342 were positive and 8,866 were negative resulting in a rating of 8.6 out of 10. While seeing 7,546 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.
8.6
62,342
8,866

7,546
players

3. Counter-Strike

Similarity 63% Play the world's number 1 online action game. Engage in an incredibly realistic brand of terrorist warfare in this wildly popular team-based game. Ally with teammates to complete strategic missions. Take out enemy sites. Rescue hostages. Your role affects your team's success. Your team's success affects your role. Counter-Strike is a action, fps and multiplayer game developed and published by Valve. Released on November 01st 2000 has received 250,245 reviews of which 243,818 were positive and 6,427 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 6,697 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.
9.6
243,818
6,427

6,697
players

4. Call of Duty®: Black Ops III

Similarity 56% 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 215,026 reviews of which 181,306 were positive and 33,720 were negative resulting in a rating of 8.4 out of 10. With 5,173 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Half-Life: Source.
8.4
181,306
33,720

5,173
players

5. Halo: The Master Chief Collection

Similarity 66% 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 242,067 reviews of which 223,635 were positive and 18,432 were negative resulting in an impressive rating of 9.1 out of 10. With 4,418 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
223,635
18,432

4,418
players

6. Halo Infinite

Similarity 58% 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 177,041 reviews of which 123,333 were positive and 53,708 were negative resulting in a rating of 6.9 out of 10. With 3,405 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Half-Life: Source.
6.9
123,333
53,708

3,405
players

7. DOOM: The Dark Ages

Similarity 62% DOOM: The Dark Ages is the prequel to the critically acclaimed DOOM (2016) and DOOM Eternal that tells an epic cinematic story worthy of the DOOM Slayer’s legend. Players will step into the blood-stained boots of the DOOM Slayer, in this never-before-seen dark and sinister medieval war against Hell. DOOM: The Dark Ages is a action, fps and demons game developed by id Software and published by Bethesda Softworks. Released on May 14th 2025 has received 21,671 reviews of which 18,891 were positive and 2,780 were negative resulting in a rating of 8.5 out of 10. With 2,635 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Half-Life: Source.
8.5
18,891
2,780

2,635
players

8. Half-Life 2

Similarity 93% 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 245,627 reviews of which 239,721 were positive and 5,906 were negative resulting in an impressive rating of 9.7 out of 10. With 1,626 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Half-Life: Source.
9.7
239,721
5,906

1,626
players

9. Battlefield 4™

Similarity 52% Embrace unrivaled destruction in Battlefield 4™. Revel in the glorious chaos of all-out war packed with rewarding, tactical challenges in an interactive environment. Battlefield 4™ is a multiplayer, fps and singleplayer game developed by DICE and published by Electronic Arts. Released on June 11th 2020 has received 71,148 reviews of which 60,650 were positive and 10,498 were negative resulting in a rating of 8.4 out of 10. With 1,444 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Half-Life: Source.
8.4
60,650
10,498

1,444
players

10. DOOM

Similarity 59% Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression. DOOM is a fps, gore and action game developed by id Software and published by Bethesda Softworks. Released on May 12th 2016 has received 207,279 reviews of which 198,001 were positive and 9,278 were negative resulting in an impressive rating of 9.4 out of 10. With 1,441 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Half-Life: Source.
9.4
198,001
9,278

1,441
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 June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Half-Life: Source.

1. Overload

Similarity 65% A new six-degree-of-freedom shooter with intuitive controls, amazing lighting and graphics. From the creators of Descent, Overload is the best zero-gravity robot-blasting combat ever. Overload is a action, 6dof and fps game developed and published by Revival Productions and LLC. Released on May 31st 2018 has received 2,022 reviews of which 1,903 were positive and 119 were negative resulting in a rating of 9.0 out of 10. Featuring a massive 98% discount, this game currently holds the #1 spot in the best deals for games like Half-Life: Source.
9.0
1,903
119

-98% 24.99€ 0.59€

2. Hard Reset Redux

Similarity 66% Hard Reset Redux is an action-packed and hardcore single-player shooter which embraces the best qualities that the genre has it offer. It includes over-the-top destruction, loads of enemies, great weapon variety, a challenging campaign and a beautifully realized cyberpunk setting. Hard Reset Redux is a action, fps and adventure game developed by Flying Wild Hog and published by Good Shepherd Entertainment. Released on June 03rd 2016 has received 2,245 reviews of which 1,823 were positive and 422 were negative resulting in a rating of 7.8 out of 10. Thanks to its incredible 98% discount, this game is now the #2 best deal in games like Half-Life: Source.
7.8
1,823
422

-98% 19.99€ 0.44€

3. F.E.A.R. 3

Similarity 56% 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 12,758 reviews of which 9,070 were positive and 3,688 were negative resulting in a rating of 7.0 out of 10. Thanks to its incredible 98% discount, this game is now the #3 best deal in games like Half-Life: Source.
7.0
9,070
3,688

-98% 19.99€ 0.45€

4. Alien Rage - Unlimited

Similarity 73% Unleash a fury of powerful weapons as you blast your way through armies of Alien forces hell-bent on taking you down! Battle through 14 intense levels and prepare to face a barrage of beastly-sized bosses that will test your every skill. Each of your 10 weapons comes with two firing modes and you’ll need all of them! Alien Rage - Unlimited is a action, shooter and fps game developed and published by CI Games. Released on September 24th 2013 has received 3,455 reviews of which 2,334 were positive and 1,121 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for games like Half-Life: Source.
6.6
2,334
1,121

-98% 19.99€ 0.54€

5. Enemy Front

Similarity 57% ENEMY FRONT is the first truly modern WW2 FPS, featuring stunning visuals, open-ended levels and a richly interactive combat experience that breaks out of the standard model of highly linear scripted FPS experiences, giving the player full freedom to own their playing style. Enemy Front is a action, fps and world war ii game developed and published by CI Games. Released on June 10th 2014 has received 5,436 reviews of which 3,599 were positive and 1,837 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Half-Life: Source.
6.5
3,599
1,837

-98% 19.99€ 0.53€

6. Necromunda: Hired Gun

Similarity 56% Become a Hired Gun. The money’s good, the dog’s loyal, and the gun’s reliable. Embark on a fast-paced, violent, and thrilling FPS set in the darkest reaches of Warhammer 40,000’s most infamous hive city. Necromunda: Hired Gun is a action, warhammer 40k and adventure game developed by Streum On Studio and published by Focus Entertainment. Released on May 31st 2021 has received 7,422 reviews of which 4,864 were positive and 2,558 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Half-Life: Source.
6.5
4,864
2,558

-98% 39.99€ 1.15€

7. The Darkness II

Similarity 52% An intense first person shooter that delivers a twisted and gripping narrative of tragedy, modern crime drama, and supernatural horror. The Darkness II is a fps, action and gore game developed by Digital Extremes and published by 2K. Released on February 09th 2012 has received 19,772 reviews of which 18,121 were positive and 1,651 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 97% discount, this title has earned the #7 position in the best deals for games like Half-Life: Source.
9.0
18,121
1,651

-97% 29.99€ 1.07€

8. Hidden & Dangerous 2: Courage Under Fire

Similarity 53% Hidden & Dangerous 2 is a first and third person tactical shooter that builds upon the tremendous success of Hidden & Dangerous. You lead a small squad of Allied soldiers deep behind enemy lines, to carry out secret missions during World War II. Hidden & Dangerous 2: Courage Under Fire is a action, strategy and fps game developed by Illusion Softworks and published by 2K. Released on December 20th 2017 has received 877 reviews of which 836 were positive and 41 were negative resulting in a rating of 8.9 out of 10. Currently offered at a significant 97% discount, this title has earned the #8 position in the best deals for games like Half-Life: Source.
8.9
836
41

-97% 9.99€ 0.39€

9. Duke Nukem 3D: 20th Anniversary World Tour

Similarity 73% Frag like it’s 1996 – this time with even more asses to kick! Join the world’s greatest action hero in Duke Nukem 3D: 20th Anniversary World Tour as he saves Earth once again, kicking alien ass and saving babes across the globe along the way. Duke Nukem 3D: 20th Anniversary World Tour is a fps, classic and action game developed by Nerve Software, Gearbox Software and LLC and published by Gearbox Publishing. Released on October 11th 2016 has received 5,684 reviews of which 4,802 were positive and 882 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 97% discount, this title has earned the #9 position in the best deals for games like Half-Life: Source.
8.2
4,802
882

-97% 19.99€ 0.76€

10. Hard Reset Extended Edition

Similarity 68% Over-the-top destruction, loads of enemies & a beautifully realized cyberpunk setting. Hard Reset is here to shake up the shooter scene. Try the demo now. Hard Reset Extended Edition is a fps, cyberpunk and action game developed by Flying Wild Hog and published by Good Shepherd Entertainment. Released on July 12th 2012 has received 4,808 reviews of which 3,939 were positive and 869 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 97% discount, this title has earned the #10 position in the best deals for games like Half-Life: Source.
7.9
3,939
869

-97% 14.99€ 0.53€

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 June 16th 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. Halo Infinite

Similarity 58% 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 177,041 reviews of which 123,333 were positive and 53,708 were negative resulting in a rating of 6.9 out of 10. With 3,405 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Half-Life: Source.
6.9
123,333
53,708

3,405
players

2. Zula Global

Similarity 49% Zula is an intense free-to-play FPS in which you can play cooperatively with your teammates to overthrow the enemy side. You can enjoy new content weekly and receive gifts every day. Variety of maps and weapons from the real world so you can immerse yourself 100%. Zula Global is a free to play, fps and action game developed and published by Madbyte Games. Released on January 12th 2018 has received 7,595 reviews of which 5,310 were positive and 2,285 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 161, this game has secured the #2 spot in the ranking of free games like Half-Life: Source.
6.9
5,310
2,285

161
players

3. America's Army: Proving Grounds

Similarity 49% America’s Army: Proving Grounds is the official game of the U.S. Army and part of the highly acclaimed America’s Army game series. This free military game focuses on small unit tactical maneuvers and puts you to the test in a wide variety of new America’s Army maps and AA fan favorites. America's Army: Proving Grounds is a free to play, fps and action game developed and published by U.S. Army. Released on August 29th 2013 has received 10,952 reviews of which 8,637 were positive and 2,315 were negative resulting in a rating of 7.7 out of 10. Thanks to its free to play tag and a daily player base of 160, this game has secured the #3 spot in the ranking of free games like Half-Life: Source.
7.7
8,637
2,315

160
players

4. TOXIKK™

Similarity 55% 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 5,811 reviews of which 4,485 were positive and 1,326 were negative resulting in a rating of 7.5 out of 10. Attracting a solid base of 105 players due to its free access, this strategy game has achieved the #4 position in the best free games like Half-Life: Source.
7.5
4,485
1,326

105
players

5. Hired Ops

Similarity 50% Hired Ops is a session-based online shooter dedicated to fierce conflicts between rival mercenary groups battling on a global scale. Hired Ops is a fps, multiplayer and free to play game developed by Absolut Soft LLC and published by . Released on April 13th 2021 has received 15,641 reviews of which 10,532 were positive and 5,109 were negative resulting in a rating of 6.6 out of 10. The game currently holds the #5 spot among the most played free games like Half-Life: Source.
6.6
10,532
5,109

68
players

6. PAPERHEAD EP.0

Similarity 51% 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 1,842 reviews of which 1,717 were positive and 125 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #6 spot among the most played free games like Half-Life: Source.
8.9
1,717
125

32
players

7. BLOCKADE

Similarity 50% BLOCKADE Classic! First Person Shooter in an editable procedural cubic world. A large arsenal of weapons, 4 teams at the same time and up to 32 players on one map. A large number of game modes! BLOCKADE is a free to play, action and fps game developed and published by Novalink. Released on May 21st 2019 has received 11,459 reviews of which 8,570 were positive and 2,889 were negative resulting in a rating of 7.3 out of 10. The game currently holds the #7 spot among the most played free games like Half-Life: Source.
7.3
8,570
2,889

32
players

8. Quake II RTX

Similarity 54% 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 4,590 reviews of which 4,009 were positive and 581 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #8 spot among the most played free games like Half-Life: Source.
8.4
4,009
581

14
players

9. Classic Marathon

Similarity 54% 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 935 reviews of which 858 were positive and 77 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #9 spot among the most played free games like Half-Life: Source.
8.6
858
77

8
players

10. Puppet Master: The Game

Similarity 50% This free-to-play online multiplayer game celebrates the series' 30-year legacy. Revisit iconic locations, select from a large roster of playable characters from the movies, and play a variety of online multiplayer game modes, each inspired by the Puppet’s many adventures. Puppet Master: The Game is a action, shooter and fps game developed by October Games and published by October Games and Full Moon Features. Released on May 03rd 2024 has received 1,265 reviews of which 1,101 were positive and 164 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #10 spot among the most played free games like Half-Life: Source.
8.3
1,101
164

7
players