
Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following. For more information on Portal 2 click here.
60+ similar titles based on shared tags and player behavior. Themes include Singleplayer, Action, Documentary, Indie.

Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following. For more information on Portal 2 click here.

Indie Game: The Movie
The emotional journey of four developers as they sacrifice money, health and sanity to realize their lifelong dreams of sharing their games with the world.

Half-Life: Alyx - Final Hours
THE FINAL HOURS OF HALF-LIFE: ALYX is an interactive storybook, written by Geoff Keighley, that takes fans inside Valve Software to chronicle the company’s past decade of game development, including the return of Half-Life.
The emotional journey of four developers as they sacrifice money, health and sanity to realize their lifelong dreams of sharing their games with the world.
Why similar: Documentary 70% ★, Movie 23.9% ★, Feature Film 2.6% ★, Game Development 1.7% ★, Linear 0.8%
THE FINAL HOURS OF HALF-LIFE: ALYX is an interactive storybook, written by Geoff Keighley, that takes fans inside Valve Software to chronicle the company’s past decade of game development, including the return of Half-Life.
Why similar: Documentary 96.3% ★, Action 2.1%, Adventure 1.1%, Singleplayer 0.6%
Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats!
Why similar: Action 100%
Experience the critically acclaimed and award-winning Portal™ reimagined with full ray tracing and DLSS 4 in this free DLC for Portal owners. Start thinking with portals, with RTX on.
Why similar: Beautiful 63.6% ★, Puzzle 16.1%, Story Rich 9.8%, Action 8.3%, Singleplayer 2.1%
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.
Why similar: Action 37.1%, Story Rich 24.4%, Adventure 14.4%, Puzzle 13.9%, Singleplayer 10.2%
Written over the past four years, journalist Geoff Keighley ("The Final Hours of Portal 2") chronicles the making of TITANFALL from Respawn Entertainment. This longform app features never-before-seen photos, video and concept art from early development versions of the game.
Why similar: Documentary 89.9% ★, Feature Film 8.2% ★, Action 1%, Story Rich 0.8%
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.
Why similar: Action 42.1%, Story Rich 20%, Adventure 14.6%, Puzzle 12.3%, Singleplayer 11.1%
How did Crystal Dynamics reinvent Tomb Raider? The Final Hours of Tomb Raider is a digital book that takes you inside the studio during the four year development of this franchise reboot. Journalist Geoff Keighley chronicles the team’s journey, illustrating this 11,000 word story with never-before-seen art and videos from parts of the...
Why similar: Documentary 98% ★, Action 2%
Play the incredible true story of T and her quest to uncover the truth about her parents’ work for the Danish Intelligence during the Cold War.
Why similar: Documentary 90.5% ★, Story Rich 3.7%, Puzzle 2.9%, Adventure 2.9%
Fast multiplayer action set in the Half-Life 2 universe! HL2's physics adds a new dimension to deathmatch play. Play straight deathmatch or try Combine vs. Resistance teamplay. Toss a toilet at your friend today!
Why similar: Action 95%, Adventure 3.8%, Singleplayer 1.1%
Play the history. Go behind the scenes of Jordan Mechner's landmark game Karateka in this interactive documentary from Digital Eclipse, with archival materials, video features, and more. Experience pixel-perfect versions of this legendary game, with all-new features.
Why similar: Documentary 80.4% ★, Game Development 13.4% ★, Linear 2.1%, Action 1.9%, Story Rich 1.8%
With DeathTolls Experience, virtual reality artist Ali Eslami is seeking to resensitize the general public to the reality behind the abstract statistics on the hundreds of thousands of deaths in the Middle East.
Why similar: Documentary 100% ★
A documentary experience that explores the links between anti-LGBTQI lobbyists, politicians and organisations.
Why similar: Documentary 100% ★
Relive Half-Life.
Why similar: Story Rich 45.8%, Action 28.1%, Adventure 17.2%, Singleplayer 9%
Ride your music. Audiosurf is a music-adapting puzzle racer where you use your own music to create your own experience. The shape, the speed, and the mood of each ride is determined by the song you choose.
Why similar: Puzzle 71.9%, Singleplayer 28.1%
Uniquely presented as an hour long documentary film, The Mind of Marlo is a narrative driven adventure game focusing on love, loss and silly heads. Laugh and cry with Marlo as he gets to the bottom of his life changing condition, known as Spontaneous Silly Head Syndrome.
Why similar: Documentary 91.9% ★, Story Rich 3.6%, Adventure 2.4%, Puzzle 1.8%, Singleplayer 0.3%
Step into war-torn enemy territory in this immersive VR game experience based on the Oscar-shortlisted documentary MY ENEMY, MY BROTHER (2015). EYE OF THE BEHOLDER is a 20 minute beta experience that subverts the war-game genre as players must choose to combat or collaborate with others.
Why similar: Documentary 98.8% ★, Adventure 0.7%, Singleplayer 0.5%
The Stanley Parable is a first person exploration game. You will play as Stanley, and you will not play as Stanley. You will follow a story, you will not follow a story. You will have a choice, you will have no choice. The game will end, the game will never end.
Why similar: Story Rich 38.7%, Adventure 28.7%, Puzzle 23.1%, Singleplayer 9.5%
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.
Why similar: Story Rich 48.7%, Action 22.1%, Adventure 20.8%, Singleplayer 8.4%
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.
Why similar: Puzzle 65.4%, Story Rich 15.5%, Action 8%, Singleplayer 6.2%, Adventure 5%
A narrative walking experience through the real lives of women living under Islamic law in Iran. Their stories were never meant to be heard. Now you can walk through them.
Why similar: Documentary 87.5% ★, Emotional 7%, Story Rich 4.4%, Adventure 0.7%, Singleplayer 0.4%
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
Why similar: Singleplayer 100%
In 1935, Yonezo Okita left his home in Japan and began a new life in Canada. Then war and state-sanctioned racism changed everything—he became the enemy. His grandson leads us on an interactive virtual pilgrimage through an emotional geography of immigration and family to recover what was lost.
Why similar: Documentary 72.7% ★, Feature Film 15.1% ★, Emotional 5.1%, Story Rich 3.6%, Linear 2.8%
Harold Fletcher has been grounded to his bedroom for over 30 years. Join award-winning journalist Nigel Wimble as he discovers how one man has coped with the boredom and loneliness in this one of a kind, FREE, documentary film simulator!
Why similar: Documentary 94.1% ★, Story Rich 3.3%, Adventure 2%, Singleplayer 0.6%
Imaginaria is both a night watch and the night watcher. It's a military term, supposedly coming from Latin, Imaginarius: relative to a mental figure. Perhaps because under Imaginaria duty the mind likes to wander too. Here in Antarctica we do them since the incident. And tonight I am Imaginaria.
Why similar: Documentary 95.7% ★, Story Rich 3.4%, Adventure 0.8%, Singleplayer 0.2%
Three Heroes make their way through dangers untold in a fairytale world of great castles and strange machinery, featuring physics-based puzzles, beautiful sights and online co-op.
Why similar: Beautiful 78.7% ★, Puzzle 9.5%, Action 6.6%, Adventure 4.6%, Singleplayer 0.7%
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.
Why similar: Beautiful 70.4% ★, Story Rich 15%, Action 6.3%, Adventure 5.8%, Singleplayer 2.4%
This is a game where you can learn about chopsticks while challenging physics-based puzzles with handling chopsticks. Inspired by Getting Over It with Bennett Foddy
Why similar: Documentary 95.3% ★, Puzzle 4.5%, Singleplayer 0.3%
An immersive, narrative videogame that retells Joel Green’s 4-year fight against cancer through about two hours of poetic, imaginative gameplay that explores themes of faith, hope and love.
Why similar: Documentary 82.5% ★, Emotional 9%, Story Rich 5.8%, Adventure 2%, Singleplayer 0.7%
A first-person exploration game based on the actual memories of a 92-year-old grandmother, told to players in her own voice. Take pictures of what remains of her abandoned childhood home to uncover the dark, traumatic events that she had to fight through as a teenage girl.
Why similar: Documentary 95.4% ★, Story Rich 3.2%, Adventure 1.1%, Singleplayer 0.3%
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.
Why similar: Story Rich 39.5%, Action 25%, Puzzle 15.5%, Adventure 12.6%, Singleplayer 7.5%
Nontraditional, eccentric, art game experience. 10 - 15 minutes, nonlinear free roam. This immersive experience aims to help destigmatize mental illness by allowing the user to journey through the mind of an individual with bipolar disorder.
Why similar: Documentary 90.1% ★, Emotional 8.1%, Adventure 1.4%, Singleplayer 0.5%
An auto-biographical, narrative game, based on real diary entries kept as a teenager. The Quiet Things seeks to explore mental health issues with a raw but brave look at childhood abuse and trauma. With a deep focus on storytelling through audio, set foot in Alice’s world and hear her story.
Why similar: Documentary 87.4% ★, Emotional 6.5%, Story Rich 4.2%, Adventure 1.5%, Singleplayer 0.4%
This is the original version of Braid from 2009, which may not work well on newer systems. For an updated version of the game with nicer graphics, more levels and a large amount of developer commentary, see Braid, Anniversary Edition.
Why similar: Puzzle 58%, Beautiful 29.9% ★, Story Rich 6.3%, Singleplayer 3.8%, Adventure 2%
One of the most popular online action games of all time, Team Fortress Classic features over nine character classes -- from Medic to Spy to Demolition Man -- enlisted in a unique style of online team warfare. Each character class possesses unique weapons, items, and abilities, as teams compete online in a variety of game play modes.
Why similar: Action 100%
Immerse yourself in 'ETERNAL SPRING (長春) VR,' an animated 360 documentary that goes inside the world of a real-life survivor of religious persecution in China, adding a new dimension to the feature film that was Canada's official submission to the 2023 Oscars®.
Why similar: Documentary 99.3% ★, Singleplayer 0.7%
Wanderlust: Travel Stories is a bridge between literature and gaming. Step into the shoes of modern travelers—explore their desires, hopes and fears, and shape how their stories unfold. Make this journey your own.
Why similar: Documentary 94.5% ★, Story Rich 3.4%, Adventure 2.1%
Cogs is a puzzle game where players build machines from sliding tiles. Players can choose from 50 levels and 3 gameplay modes. New puzzles are unlocked by building contraptions quickly and efficiently. Inventor Mode: Starting with simple puzzles, players are introduced to the widgets that are used to build machines gears, pipes,...
Why similar: Puzzle 93.1%, Singleplayer 6.9%
Valve's WWII Multiplayer Classic - Now available for Mac.
Why similar: Action 100%
Based on the Oscar short-listed Participant Media documentary Zero Days, Scatter's Emmy Award-winning, immersive documentary Zero Days VR visualizes the story of Stuxnet in a new way: placing you inside the invisible world of computer viruses, experiencing the high stakes of cyber warfare at a human scale.
Why similar: Documentary 95.8% ★, Story Rich 3.6%, Singleplayer 0.6%
Experience the rhythmic thrill of BIT.TRIP RUNNER! With its retro charm, simple controls, and award-winning visuals, this classic sets the standard for rhythm gaming. Don't miss the game that started it all in the acclaimed runner series.
Why similar: Linear 64.8%, Action 25.8%, Singleplayer 9.4%
The Stanley Parable: Ultra Deluxe is an expanded re-imagining of 2013's The Stanley Parable. You will play as Stanley, and you will not play as Stanley. You will make a choice, and you will become powerless. You are not here to win. The Stanley Parable is a game that plays you.
Why similar: Game Development 48.3% ★, Emotional 22.5%, Story Rich 17.8%, Adventure 7.1%, Singleplayer 4.3%
KURSK is the first ever adventure and documentary video game inspired by real events. You assume the role of a spy who finds way on the Russian nuclear submarine K-141 Kursk. While trying to complete your mission, you become witness to the dramatic events which shook the world at that time.
Why similar: Documentary 96.8% ★, Adventure 1.7%, Action 1.2%, Singleplayer 0.3%
Blueplanet VR v2 is a powerful way to experience strong presence in some of the world's most remarkable locations.
Why similar: Documentary 84.8% ★, Beautiful 15.2% ★
CAT SUDOKU is an extremely cute game where you play a little sudoku with cats.
Why similar: Documentary 76.1% ★, Game Development 16.8% ★, Puzzle 6.6%, Singleplayer 0.5%
Step into the shoes of a researcher in the depths of the antarctic and uncover the mysteries behind Project Hailstorm.
Why similar: Documentary 84.5% ★, Linear 7.4%, Story Rich 5.6%, Adventure 2%, Singleplayer 0.6%
From gameplay to visuals to music and imagination, BIT.TRIP BEAT is inspired by classic games in every way. Get sucked into a whole new world of sight and sound as you juggle beats and ride the vibe in this modern look at the beginning of it all. BIT.
Why similar: Action 92.3%, Singleplayer 7.7%
Arcade documentary of maze/dot/snake mechanic within changing dimensions, axis locks and the corruption of the system. Collect, grow, avoid your past, find new space, wake up…
Why similar: Documentary 99.5% ★, Singleplayer 0.5%
VVVVVV is a platform game all about exploring one simple mechanical idea - what if you reversed gravity instead of jumping?
Why similar: Action 33.6%, Puzzle 28.1%, Adventure 20.3%, Singleplayer 18%
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
Why similar: Action 36.7%, Adventure 25.4%, Puzzle 23.1%, Singleplayer 14.8%
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
Why similar: Singleplayer 81.7%, Adventure 18.3%
Guildford Castle is a free roaming, narrative VR experience with light interactivity.
Why similar: Documentary 96.7% ★, Adventure 2.7%, Singleplayer 0.6%
Explore the ancient, mysterious world of Journey as you soar above ruins and glide across sands to discover its secrets.
Why similar: Beautiful 87.4% ★, Adventure 6.8%, Story Rich 5.2%, Singleplayer 0.6%