Games like Half-Life: Source on Steam

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Shrine Shrine is a retro FPS game about a skinless dude killing eldritch monstrosities with his nightmarish arsenal.

Similarity 50%
Price Free to play
Rating 8.7
Release 03 Apr 2020
Rogue Shooter: The FPS Roguelike A fast-paced mashup of roguelikes and first-person shooters.

Similarity 50%
Price 4.99€
Rating 7.0
Release 24 Apr 2014
Operation Thunderstorm The year is 1942. The British government decides to launch one of the most risky operations of World War II. The targets are the most important figures of the Third Reich. After several months of research, MI6 chose three people: the chances of eliminating them are slim to nothing.

Similarity 50%
Price -79% 1.07€
Rating 7.2
Release 13 Jul 2018
Day of Defeat: Source Valve's WWII Multiplayer Classic - Now available for Mac.

Similarity 50%
Price 9.75€
Rating 9.0
Release 12 Jul 2010
High Hell High Hell is a neon-soaked, arcade-action first-person shooter from Terri Vellmann (Heavy Bullets) and Doseone (Enter the Gungeon, Gang Beasts).

Similarity 50%
Price -80% 1.95€
Rating 8.2
Release 23 Oct 2017
BLOCKADE 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!

Similarity 50%
Price Free to play
Rating 7.3
Release 21 May 2019
E.Y.E: Divine Cybermancy In a dark Cyberpunk world, you (and up to 3 friends) wage war against the all-powerful Federation in this Source-powered FPS/RPG.

Similarity 50%
Price 9.75€
Rating 8.2
Release 29 Jul 2011
Masked Forces Masked Forces is an action-packed game where your main purpose is to eliminate your enemies using any means necessary. You have a great singleplayer campaign and multiple online game modes that you can use to show your might.

Similarity 50%
Price 0.99€
Rating 6.5
Release 23 Nov 2016
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...

Similarity 50%
Price -91% 1.89€
Rating 9.0
Release 25 Oct 2013
Global Agenda: Free Agent 2155. From the ashes of the devastating Third Great War rose the Commonwealth, an oppressive world government determined to control the entire planet. The few remaining independent factions retaliate the only way they can, with elite teams of special operatives trained in advanced warfare tactics and equipped with high-tech weaponry.

Similarity 50%
Price Free to play
Rating 7.4
Release 14 Jun 2011
Pirate Fighting Simulator Pirate Fighting Simulator is a free multiplayer PVP game developed in UE5 in which you fight other players using typical pirate weaponry.

Similarity 50%
Price Free to play
Rating 8.5
Release 13 Nov 2023
Rebel Forces Are you ready to be the ultimate soldier and fight until you defeat all of your enemies?

Similarity 50%
Price Free to play
Rating 7.9
Release 20 Dec 2018
Warhammer 40,000: Battle Sister Welcome to the grim darkness of the far future! Experience the war-torn universe of Warhammer 40,000 brought into jaw-dropping, visceral reality for the first time in VR. Immerse yourself in a gripping, action-filled story spanning the galaxy.

Similarity 50%
Price 19.99€
Rating 6.6
Release 08 Mar 2022
Hired Ops Hired Ops is a session-based online shooter dedicated to fierce conflicts between rival mercenary groups battling on a global scale.

Similarity 50%
Price Free to play
Rating 6.6
Release 13 Apr 2021
WARMODE Free to play shooter about the confrontation of two irreconcilable sides, represented by the government military housings and the armed hirelings. Try your hand at virtual battles with off-scale dynamics and hurricane gameplay in the spirit of the classical shooters.

Similarity 50%
Price Free to play
Rating 6.1
Release 13 Sep 2019
Vanquish PlatinumGames’ revolutionary sci-fi action shooter slide-boosts onto PC. Battle legions of future-tech enemies using a vast arsenal of weapons, including all DLC. Fully unlocked framerate and gorgeous HD resolutions up to 4K. The definitive way to play: war has accelerated.

Similarity 50%
Price -76% 4.96€
Rating 8.7
Release 25 May 2017
Exoprimal Exoprimal is an online, team-based action game that pits humanity's cutting-edge exosuit technology against history's most ferocious beasts – dinosaurs.​​

Similarity 50%
Price -95% 3.12€
Rating 6.8
Release 13 Jul 2023
Vertigo 2 Vertigo 2 is a single-player VR adventure. Explore the depths of the vast Quantum Reactor as you descend to finish your journey home.

Similarity 50%
Price -85% 4.47€
Rating 9.1
Release 30 Mar 2023
Nightmare of Decay A first-person action horror game set in a nightmarish manor infested with zombies, psychotic cultists, and a horde of other horrors. Utilize an assortment of different weapons in a brutal fight for survival as you try to escape from the Nightmare of Decay.

Similarity 50%
Price -80% 0.79€
Rating 9.2
Release 03 May 2022
Counter-Strike: Source Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology.

Similarity 50%
Price 9.75€
Rating 9.5
Release 01 Nov 2004
Classic Marathon 2 From the team that brought you Aleph One, the classic sci-fi FPS Marathon 2: Durandal from Bungie on Mac revived for modern hardware by the fan community.

Similarity 50%
Price Free to play
Rating 8.4
Release 12 Jul 2024
Oblivity - Find your perfect Sensitivity Oblivity is an advanced aim training software that provides everything you need to improve your aim! Find your perfect, intuitive mouse sensitivity with Oblivity's sensitivity finder. Or detect your bad aiming habits in the extensive analysis and replay space.

Similarity 50%
Price 9.95€
Rating 7.9
Release 24 Mar 2022
Zula Global 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%.

Similarity 49%
Price Free to play
Rating 6.9
Release 12 Jan 2018