IMHO.

Games like Lightmatter

If Lightmatter is your kind of game, the closest matches are Astro Link, The God Unit and The Awakening Program — picked from the ranked list below. Reviewers single out its atmospheric, challenging and contemplative. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

Get personalized picks →

About Lightmatter: A first-person puzzler where shadows kill you. Watch your step or be swallowed by the darkness.

2020IndieAdventure19.99 USDDeck PlayableMetacritic 73Windowsby Tunnel Vision Games
Lightmatter — Steam game cover
Players highlight
Atmospheric tension with a dark research facility settingLight and shadows create unique puzzle solutionsPuzzles ramp up in brain melting difficultyAtmosphericChallengingContemplative

Players who liked Lightmatter also play

Steam players who put hours into Lightmatter also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Astro Link

    WHY THIS

    Top pick for Lightmatter fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Lightmatter.

    Astro Link is a Portal-like puzzle game that takes place within the mysterious Astro Link facility. What happened to this place? Will test subject #602 be able to find out?

    2024ActionStrategyIndie9.99 USDSteam ↗
  2. The God Unit

    WHY THIS

    Shares a whimsical mood with Lightmatter.

    Second-strongest match for Lightmatter fans by collaborative filtering across millions of Steam libraries. Shares Indie with Lightmatter.

    The GoD Unit is a first-person physics-based puzzle game set in a near pre-apocalyptic future, featuring the mass manipulation ability and other familiar and beloved puzzle mechanics.

    2021Indie9.99 USDDeck PlayableSteam ↗
  3. The Awakening Program

    WHY THIS

    Third-strongest match for Lightmatter fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Lightmatter.

    A man with an incurable disease is cryogenically frozen until a cure is found. Upon waking, he enters a simulated reality to preserve his brain.

    2022IndieAdventureEarly Access7.99 USDSteam ↗
  4. Cartonfall

    WHY THIS

    Shares a whimsical mood with Lightmatter.

    Ranked #4 for Lightmatter fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Lightmatter.

    It was another night shift at your job in a warehouse, when a madman with a box on his head, took control over the complex. Now you are under his control, to get out of here you have to solve his wicked riddles and smash through his weird cardboard structures by using anything you find in the boxes.

    2019IndieAdventureSimulation7.99 USDSteam ↗
  5. The Last Cube

    WHY THIS

    Shares an atmospheric mood with Lightmatter.

    Ranked #5 for Lightmatter fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Lightmatter.

    Cube puzzler and an epic adventure. Stamp stickers to the sides of your cube to imbue each surface with unique powers, which are vital to solving puzzles and finding secrets.

    2022IndieAdventureCasual19.99 USDSteam ↗
  6. Duplicate Dissolution

    WHY THIS

    Ranked #6 for Lightmatter fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Lightmatter.

    Multiply your mind. Overcome a variety of trials using your trio of digital duplicates in this first-person puzzle game. Explore intricate, neon-lit rooms and unravel the mystery of the simulation and its enigmatic warden.

    2024IndieAdventure7.99 USDSteam ↗
  7. Wanderer's Shade

    WHY THIS

    Ranked #7 for Lightmatter fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Lightmatter.

    Embark on a mysterious journey in 'Wanderer's Shade: Path of the Void,' a 2D pixel art and adventure game that blends intricate puzzles with deep narrative exploration. Discover secrets, solve challenges, and uncover a story of forgotten identities in an enigmatic world.

    2024StrategyIndieAdventure2.99 USDSteam ↗
  8. RoboBall

    WHY THIS

    Ranked #8 for Lightmatter fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Lightmatter.

    RoboBall is a spatial puzzle game based on physics and logical thinking.

    2018IndieAdventure6.99 USDSteam ↗

Reviewers mention these as similar to Lightmatter

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. Portal

    WHY THIS

    Shares a contemplative mood with Lightmatter.

    Reviewers of Lightmatter cross-mention this title as a similar play.

    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.

    2007Action9.99 USDDeck VerifiedSteam ↗
  2. Portal 2

    WHY THIS

    Shares a whimsical mood with Lightmatter.

    Reviewers of Lightmatter cross-mention this title as a similar play. Shares Adventure with Lightmatter.

    The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

    2011ActionAdventure9.99 USDDeck VerifiedSteam ↗
  3. Q.U.B.E: Director's Cut

    WHY THIS

    Shares an atmospheric mood with Lightmatter.

    Reviewers of Lightmatter cross-mention this title as a similar play. Shares Indie and Adventure with Lightmatter.

    Q.U.B.E: Director's Cut is the definitive version of the brain-twisting first-person puzzler. Using special high-tech gloves to manipulate cubes in the environment, the player solves an array of conundrums - from physics-based challenges; to 3D jigsaws; to platform-based trials.

    2014ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  4. Q.U.B.E. 2

    WHY THIS

    Shares an atmospheric mood with Lightmatter.

    Reviewers of Lightmatter cross-mention this title as a similar play. Shares Indie and Adventure with Lightmatter.

    Q.U.B.E. 2 is the sequel to the hit first-person puzzle game Q.U.B.E. You are Amelia Cross, a stranded archaeologist who has awoken among the ruins of an ancient alien landscape. With the distant help of another survivor you must solve the puzzles of this mysterious world and find a way back home.

    2018ActionIndieAdventure24.99 USDDeck PlayableSteam ↗
  5. Relicta

    WHY THIS

    Shares an atmospheric mood with Lightmatter.

    Reviewers of Lightmatter cross-mention this title as a similar play. Shares Indie and Adventure with Lightmatter.

    Relicta is a first-person physics-based puzzle game where you need to creatively combine magnetism and gravity to unravel the secrets of Chandra Base.

    2020ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Lightmatter at current Steam store prices.

  1. Terraria

    WHY THIS

    Priced ~50% under Lightmatter on Steam right now. Shares Indie and Adventure with Lightmatter.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  2. Garry's Mod

    WHY THIS

    Priced ~75% under Lightmatter on Steam right now. Shares Indie with Lightmatter.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  3. Lethal Company

    WHY THIS

    Priced ~50% under Lightmatter on Steam right now. Shares Indie and Adventure with Lightmatter.

    A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

    2023ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  4. People Playground

    WHY THIS

    Priced ~50% under Lightmatter on Steam right now. Shares Indie with Lightmatter.

    Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.

    2019ActionIndieSimulation9.99 USDDeck PlayableSteam ↗
  5. Portal 2

    WHY THIS

    Shares a whimsical mood with Lightmatter.

    Priced ~50% under Lightmatter on Steam right now. Shares Adventure with Lightmatter.

    The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

    2011ActionAdventure9.99 USDDeck VerifiedSteam ↗
  6. Undertale

    WHY THIS

    Priced ~50% under Lightmatter on Steam right now. Shares Indie with Lightmatter.

    UNDERTALE! The RPG game where you don't have to destroy anyone.

    2015IndieRPG9.99 USDDeck PlayableSteam ↗
  7. Vampire Survivors

    WHY THIS

    Priced ~75% under Lightmatter on Steam right now. Shares Indie with Lightmatter.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  8. PEAK

    WHY THIS

    Priced ~60% under Lightmatter on Steam right now. Shares Indie and Adventure with Lightmatter.

    PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?

    2025ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Doki Doki Literature Club!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Lightmatter.

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Helltaker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Lightmatter.

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  3. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Lightmatter.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  4. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Lightmatter.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Lightmatter.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  7. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Lightmatter.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  8. There Is No Game: Jam Edition 2015

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Lightmatter.

    A little game that’s not a game, winner of an old game jam that nobody’s ever heard of. So DON'T INSTALL IT!

    2020IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗

Frequently asked about Lightmatter

Does Lightmatter run on Steam Deck?
Lightmatter is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does Lightmatter cost?
Lightmatter is listed on Steam at 19.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Lightmatter?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Lightmatter are Astro Link, The God Unit, The Awakening Program.
Who developed Lightmatter?
Lightmatter was developed by Tunnel Vision Games and published by Aspyr.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Lightmatter.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.