Games like Half-Life and Garry's Mod
Looking for games like both Half-Life 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 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.
- 1
Half-Life 2
Top pick for fans of both Half-Life and Garry's Mod. Shares Action with both games.
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.
- 2
Black Mesa
Second pick for fans of both Half-Life and Garry's Mod. Shares Action and Indie with both games.
Relive Half-Life.
- 3
Left 4 Dead 2
Third pick for fans of both Half-Life 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.
- 4
Half-Life: Alyx
Ranked #4 for fans of both Half-Life 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.
- 5
Serious Sam HD: The Second Encounter
Ranked #5 for fans of both Half-Life and Garry's Mod. Shares Action and Indie with both games.
Serious Sam HD: The Second Encounter is a visually upgraded and fully Steam supported remake of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month!
- 6
Arma 3
Ranked #6 for fans of both Half-Life 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.
- 7
Counter-Strike
Ranked #7 for fans of both Half-Life and Garry's Mod. Shares Action with both games.
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.
- 8
Rust
Ranked #8 for fans of both Half-Life 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.
- 9
Quake
Ranked #9 for fans of both Half-Life and Garry's Mod. Shares Action with both games.
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
- 10
Half-Life: Blue Shift
Ranked #10 for fans of both Half-Life 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.
- 11
Team Fortress 2
Ranked #11 for fans of both Half-Life 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!
- 12
- 13
Blood: Refreshed Supply™
Ranked #13 for fans of both Half-Life and Garry's Mod. Shares Action with both games.
Things are about to get… bloody! Soak up 42 pulse-pounding levels dripping with Lovecraftian atmosphere as you battle your way through armies of sycophantic cultists, zombies, gargoyles, hell hounds, and other insatiable horrors, in your quest to defeat the loathsome Tchernobog.
- 14
Half-Life: Opposing Force
Ranked #14 for fans of both Half-Life 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.
- 15
Deep Rock Galactic
Ranked #15 for fans of both Half-Life 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!
- 16
Insurgency: Sandstorm
Ranked #16 for fans of both Half-Life and Garry's Mod. Shares Action with both games.
Insurgency: Sandstorm is a hardcore tactical FPS built on lethal close-quarters combat and ruthless intensity. Every bullet count, every step matters, and teamwork is your only path to survival in the brutality of modern warfare.
- 17
Half-Life: Source
Ranked #17 for fans of both Half-Life 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.
ActionSteam ↗ - 18
Unreal Tournament 3
Ranked #18 for fans of both Half-Life and Garry's Mod. Shares Action with both games.
Now includes the free Titan Pack expansion! The Titan Pack gives players a substantial amount of enhanced features and new content, including many original environments, new gametypes, the namesake Titan mutator, powerful deployables and weapons, new characters, and the Stealthbender.
ActionSteam ↗ - 19
BioShock™
Ranked #19 for fans of both Half-Life 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.
- 20
DOOM
Ranked #20 for fans of both Half-Life and Garry's Mod. Shares Action with both games.
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.
- 21
Crysis® 3
Ranked #21 for fans of both Half-Life and Garry's Mod. Shares Action and Strategy with both games.
The fate of the world is in your hands. New and old enemies threaten the peace you worked so hard to achieve 24 years ago. Your search for the Alpha Ceph continues, but this time you'll also need to expose the truth behind the C.E.L.L. corporation.
- 22
Day of Defeat: Source
Ranked #22 for fans of both Half-Life and Garry's Mod. Shares Action with both games.
Valve's WWII Multiplayer Classic - Now available for Mac.
- 23
S.T.A.L.K.E.R.: Shadow of Chernobyl
Ranked #23 for fans of both Half-Life and Garry's Mod. Shares Action and RPG with both games.
S.T.A.L.K.E.R.: Shadow of Chernobyl tells a story about survival in the Zone – a very dangerous place, where you fear not only the radiation, anomalies and deadly creatures, but other S.T.A.L.K.E.R.s, who have their own goals and wishes.
- 24
s&box
Ranked #24 for fans of both Half-Life and Garry's Mod. Shares Action and Sports with both games.
Our spiritual successor to Garry's Mod, this is a game creation platform built on the Source 2 engine. Play, create, and share games, explore community creations, and experience endless sandbox fun with powerful modern tools.