Games like Half-Life 2 and Garry's Mod
Looking for games like both Half-Life 2 and Garry's Mod? Below are 24 Steam games ranked by imho.run's hybrid recommender for players who enjoy both titles. Each pick is scored by combining collaborative filtering across millions of Steam libraries — players who own Half-Life 2 and Garry's Mod also tend to own these — with content overlap on genres, categories, and storefront tags, plus review-mined vibe embeddings that catch tonal similarity even when genre labels differ. No Steam login required.
Best matches for fans of both games
Ranked by collaborative filtering, genre overlap, and review-mined vibes — the same signals that power imho.run.
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Half-Life
Top pick for fans of both Half-Life 2 and Garry's Mod. Shares Action with both games.
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
- 2
Half-Life: Alyx
Second pick for fans of both Half-Life 2 and Garry's Mod. Shares Action and Adventure with both games.
Half-Life: Alyx is Valve’s VR return to the Half-Life series. It’s the story of an impossible fight against a vicious alien race known as the Combine, set between the events of Half-Life and Half-Life 2. Playing as Alyx Vance, you are humanity’s only chance for survival.
- 3
Black Mesa
Third pick for fans of both Half-Life 2 and Garry's Mod. Shares Action and Indie with both games.
Relive Half-Life.
- 4
Left 4 Dead 2
Ranked #4 for fans of both Half-Life 2 and Garry's Mod. Shares Action with both games.
Set in the zombie apocalypse, Left 4 Dead 2 is a 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.
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Half-Life: Blue Shift
Ranked #6 for fans of both Half-Life 2 and Garry's Mod. Shares Action with both games.
Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations.
- 7
Arma 3
Ranked #7 for fans of both Half-Life 2 and Garry's Mod. Shares Action and Strategy with both games.
Experience true combat gameplay in a massive military sandbox. Deploy with a wide variety of single- and multiplayer content, a massive arsenal of modern weapons and vehicles, and limitless opportunities for content creation. Authentic, diverse, open - Arma 3 sends you to war.
- 8
Left 4 Dead
Ranked #8 for fans of both Half-Life 2 and Garry's Mod. Shares Action with both games.
From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.
- 9
BioShock™
Ranked #9 for fans of both Half-Life 2 and Garry's Mod. Shares Action and RPG with both games.
BioShock is a shooter unlike any you've ever played, loaded with weapons and tactics never seen. You'll have a complete arsenal at your disposal from simple revolvers to grenade launchers and chemical throwers, but you'll also be forced to genetically modify your DNA to create an even more deadly weapon: you.
- 10
Team Fortress 2
Ranked #10 for fans of both Half-Life 2 and Garry's Mod. Shares Action and Free To Play with both games.
Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats!
- 11
Portal
Ranked #11 for fans of both Half-Life 2 and Garry's Mod. Shares Action with both games.
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
- 12
Half-Life: Source
Ranked #12 for fans of both Half-Life 2 and Garry's Mod. Shares Action with both games.
Winner of over 50 Game of the Year awards, Half-Life set new standards for action games when it was released in 1998. Half-Life: Source is a digitally remastered version of the critically acclaimed and best selling PC game, enhanced via Source technology to include physics simulation, enhanced effects, and more.
- 13
Rust
Ranked #13 for fans of both Half-Life 2 and Garry's Mod. Shares Action and Indie with both games.
The only aim in Rust is to survive. Everything wants you to die - the island’s wildlife, other inhabitants, the environment, and other survivors. Do whatever it takes to last another night.
- 14
Counter-Strike: Source
Ranked #14 for fans of both Half-Life 2 and Garry's Mod. Shares Action with both games.
Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology.
- 15
BioShock Infinite
Ranked #15 for fans of both Half-Life 2 and Garry's Mod. Shares Action with both games.
Indebted to the wrong people, with his life on the line, veteran of the U.S. Cavalry and now hired gun, Booker DeWitt has only one opportunity to wipe his slate clean. He must rescue Elizabeth, a mysterious girl imprisoned since childhood and locked up in the flying city of Columbia.
- 16
Half-Life: Opposing Force
Ranked #16 for fans of both Half-Life 2 and Garry's Mod. Shares Action with both games.
Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named 'Game of the Year' by the Academy of Interactive Arts and Sciences.
- 17
Deep Rock Galactic
Ranked #17 for fans of both Half-Life 2 and Garry's Mod. Shares Action with both games.
Deep Rock Galactic is a 1-4 player co-op FPS featuring dwarven space miners, procedurally-generated destructible environments, and endless hordes of alien monsters. Explore cave systems, mine for minerals, and work together to survive!
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Crysis
Ranked #19 for fans of both Half-Life 2 and Garry's Mod. Shares Action with both games.
Adapt to Survive An epic story thrusts players into an ever-changing environment, forcing them to adapt their tactics and approach to conquer battlefields ranging from newly frozen jungle to zero-gravity alien environments. Suit up! A high-tech Nanosuit allows gamers to augment their abilities in real time on the battlefield.
ActionSteam ↗ - 20
Dishonored
Ranked #20 for fans of both Half-Life 2 and Garry's Mod. Shares Action and Adventure with both games.
Dishonored is an immersive first-person action game that casts you as a supernatural assassin driven by revenge. With Dishonored’s flexible combat system, creatively eliminate your targets as you combine the supernatural abilities, weapons and unusual gadgets at your disposal.
- 21
Serious Sam Classic: The First Encounter
Ranked #21 for fans of both Half-Life 2 and Garry's Mod. Shares Action and Indie with both games.
Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!
- 22
GW: Legacy
Ranked #22 for fans of both Half-Life 2 and Garry's Mod. Shares Action and Adventure with both games.
A Realistic, Physics Based, Multiplayer shooter game in VR. Experience Physical hands, and Guns that are calibrated to real life.
- 23
Arma 2: Operation Arrowhead
Ranked #23 for fans of both Half-Life 2 and Garry's Mod. Shares Action and Strategy with both games.
Three years after the conflict in Chernarus, portrayed in the original Arma 2, a new flashpoint explodes in the Green Sea Region. Coalition forces led by the US Army are deployed to Takistan to quickly restore peace and prevent further civilian casualties.
- 24
Serious Sam 3: BFE
Ranked #24 for fans of both Half-Life 2 and Garry's Mod. Shares Action and Indie with both games.
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!