Games like Half-Life and Portal 2
Looking for games like both Half-Life and Portal 2? Below are 24 Steam games ranked by imho.run's hybrid recommender for players who enjoy both titles. Both Half-Life and Portal 2 share Action roots, making the overlapping player base a strong signal for what to play next. Each pick is scored by combining collaborative filtering across millions of Steam libraries — players who own Half-Life and Portal 2 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 Portal 2. 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
Portal
Second pick for fans of both Half-Life and Portal 2. 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.
- 3
Black Mesa
Third pick for fans of both Half-Life and Portal 2. Shares Action and Indie with both games.
Relive Half-Life.
- 4
Half-Life: Alyx
Ranked #4 for fans of both Half-Life and Portal 2. 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
Half-Life: Blue Shift
Ranked #5 for fans of both Half-Life and Portal 2. 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.
- 6
Serious Sam HD: The Second Encounter
Ranked #6 for fans of both Half-Life and Portal 2. 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!
- 7
Crysis® 3
Ranked #7 for fans of both Half-Life and Portal 2. 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.
- 8
Quake
Ranked #8 for fans of both Half-Life and Portal 2. 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.
- 9
Left 4 Dead 2
Ranked #9 for fans of both Half-Life and Portal 2. 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.
- 10
Deep Rock Galactic
Ranked #10 for fans of both Half-Life and Portal 2. 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!
- 11
Half-Life: Opposing Force
Ranked #11 for fans of both Half-Life and Portal 2. 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.
- 12
System Shock® 2 (1999)
Ranked #12 for fans of both Half-Life and Portal 2. Shares Action and RPG with both games.
"Remember, it is my will that guided you here. It is my will that gave you your cybernetic implants, the only beauty in that meat you call a body. If you value that meat... you will do as I tell you." The cult classic sci-fi horror FPS-RPG has returned.
- 13
BioShock™
Ranked #13 for fans of both Half-Life and Portal 2. 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.
- 14
Serious Sam II
Ranked #14 for fans of both Half-Life and Portal 2. Shares Action and Indie with both games.
Serious Sam II is a shot of adrenaline to the hearts of first-person shooter fans across the world. This is serious!
- 15
Deus Ex: Human Revolution - Director's Cut
Ranked #15 for fans of both Half-Life and Portal 2. Shares Action and RPG with both games.
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...
- 16
DOOM II
Ranked #16 for fans of both Half-Life and Portal 2. Shares Action with both games.
Hell has invaded Earth, and to save it, you must battle mightier demons with even more powerful weapons. This beloved sequel to the groundbreaking DOOM (1993) introduced players to the brutal Super Shotgun, the infamous Icon of Sin boss, and more intense FPS action.
- 17
It Takes Two
Ranked #17 for fans of both Half-Life and Portal 2. Shares Action and Adventure with both games.
Embark on the craziest journey of your life in It Takes Two. Invite a friend to join for free with Friend’s Pass and work together across a huge variety of gleefully disruptive gameplay challenges. Winner of GAME OF THE YEAR at the Game Awards 2021.
- 18
Sanctum 2
Ranked #18 for fans of both Half-Life and Portal 2. Shares Action and Strategy with both games.
Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.
- 19
Deus Ex: Game of the Year Edition
Ranked #19 for fans of both Half-Life and Portal 2. Shares Action with both games.
The year is 2052 and the world is a dangerous and chaotic place. Terrorists operate openly - killing thousands; drugs, disease and pollution kill even more. The world's economies are close to collapse and the gap between the insanely wealthy and the desperately poor grows ever wider.
- 20
Crysis
Ranked #20 for fans of both Half-Life and Portal 2. 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 ↗ - 21
Duke Nukem 3D: 20th Anniversary World Tour
Ranked #21 for fans of both Half-Life and Portal 2. Shares Action and Adventure with both games.
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.
- 22
Atomic Heart
Ranked #22 for fans of both Half-Life and Portal 2. Shares Action and Adventure with both games.
In a mad and sublime utopian world, take part in explosive encounters. Adapt your fighting style to each opponent, use your environment and upgrade your equipment to fulfill your mission. If you want to reach the truth, you'll have to pay in blood.
- 23
Wolfenstein: Youngblood
Ranked #23 for fans of both Half-Life and Portal 2. Shares Action with both games.
Wolfenstein: Youngblood is the first modern co-op Wolfenstein adventure. Team up with a friend or play solo as one of BJ Blazkowicz’s twin daughters and wield a powerful arsenal of new weapons, gadgets, and abilities to liberate Paris from the Nazis.
- 24
Titanfall® 2
Ranked #24 for fans of both Half-Life and Portal 2. Shares Action with both games.
Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.