Games like Half-Life 2 and Portal 2
Looking for games like both Half-Life 2 and Portal 2? Below are 24 Steam games ranked by imho.run's hybrid recommender for players who enjoy both titles. Both Half-Life 2 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 2 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: Alyx
Top pick for fans of both Half-Life 2 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.
- 2

Half-Life
Second pick for fans of both Half-Life 2 and Portal 2. 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.
- 3

Portal
Third pick for fans of both Half-Life 2 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.
- 4

Black Mesa
Ranked #4 for fans of both Half-Life 2 and Portal 2. Shares Action and Indie with both games.
Relive Half-Life.
- 5

Half-Life: Blue Shift
Ranked #5 for fans of both Half-Life 2 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

Deus Ex: Human Revolution - Director's Cut
Ranked #6 for fans of both Half-Life 2 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...
- 7

BioShock™
Ranked #7 for fans of both Half-Life 2 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.
- 8

BioShock® 2
Ranked #8 for fans of both Half-Life 2 and Portal 2. Shares Action with both games.
Set approximately 10 years after the events of the original BioShock, the halls of Rapture once again echo with sins of the past. Along the Atlantic coastline, a monster has been snatching little girls and bringing them back to the undersea city of Rapture.
- 9

Left 4 Dead 2
Ranked #9 for fans of both Half-Life 2 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

It Takes Two
Ranked #10 for fans of both Half-Life 2 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.
- 11

Deus Ex: Game of the Year Edition
Ranked #11 for fans of both Half-Life 2 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.
- 12

Crysis® 3
Ranked #12 for fans of both Half-Life 2 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.
- 13

Sanctum 2
Ranked #13 for fans of both Half-Life 2 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.
- 14

Crysis
Ranked #14 for fans of both Half-Life 2 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 ↗ - 15

Deep Rock Galactic
Ranked #15 for fans of both Half-Life 2 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!
- 16

System Shock® 2 (1999)
Ranked #16 for fans of both Half-Life 2 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.
- 17

Dishonored
Ranked #17 for fans of both Half-Life 2 and Portal 2. 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.
- 18

Half-Life: Opposing Force
Ranked #18 for fans of both Half-Life 2 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.
- 19

Unreal 2: The Awakening
Ranked #19 for fans of both Half-Life 2 and Portal 2. Shares Action with both games.
You are John Dalton, an ex-Marine assigned to patrol the edge of human space as a Marshal for the Terran Colonial Authority. Unexpectedly, your monotonous life is shattered by a chilling distress signal, plunging you into an adventure beyond belief. Violent turmoil among the races has erupted on your watch.
- 20

Titanfall® 2
Ranked #20 for fans of both Half-Life 2 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.
- 21

The Talos Principle 2
Ranked #21 for fans of both Half-Life 2 and Portal 2. Shares Action and Adventure with both games.
The Talos Principle 2 is a thought-provoking first-person puzzle experience that greatly expands on the first game's philosophical themes and stunning environments with increasingly mind-bending challenges.
- 22

Left 4 Dead
Ranked #22 for fans of both Half-Life 2 and Portal 2. 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.
- 23

Serious Sam II
Ranked #23 for fans of both Half-Life 2 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!
- 24

System Shock 2: 25th Anniversary Remaster
Ranked #24 for fans of both Half-Life 2 and Portal 2. Shares Action and Adventure with both games.
System Shock® 2: 25th Anniversary Remaster is a genre defining experience that established innovative game-play mechanics that are a staple of the FPS and RPG genre today. Survive the wretched corridors of the Von Braun. Your training has prepared you for this.