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Lightmatter on Steam

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

Lightmatter is a logic, indie and adventure game developed by Tunnel Vision Games and published by Aspyr.
Released on January 15th 2020 is available on Windows, Steam Deck and Steam Machine.

It has received 2,740 reviews of which 2,505 were positive and 235 were negative resulting in a rating of 8.8 out of 10. 😎

The game is currently priced at 19.50€ on Steam, but you can find it for 0.78€ on Eneba.


The Steam community has classified Lightmatter into these genres:

Media & Screenshots

Get an in-depth look at Lightmatter through various videos and screenshots.

System requirements

These are the minimum specifications needed to play the game. For the best experience, we recommend that you verify them.

Windows
  • OS: Windows 10
  • Processor: Intel Core i3 4170 / AMD A8-7600
  • Memory: 8 GB RAM
  • Graphics: NVIDIA GTX 660 / AMD R9 270
  • Storage: 6 GB available space

User reviews & Ratings

Explore reviews from Steam users sharing their experiences and what they love about the game.

6 hours played
June 2026
Lightmatter is a Portal-like that wears its heart on its sleeve. While clearly paying homage to the Portal games, it manages to remain separate and unique on its own with its puzzle mechanics, which mainly centre on using light to avoid touching shadows. It almost reminds me of The Talos Principle for those who've played it before. The game's visuals are also kept simple, but visually appealing with blues, whites, and inky blacks. The voice acting is a real highlight; it's very well done! As for the puzzles, I didn't find any of them to be too demanding—they're a perfect level of challenge where the player has to think, but they aren't braindead easy (except for the penultimate level, that took a while). If you liked Portal, or are a puzzle game enthusiast, you've gotta try Lightmatter out!
9 hours played
June 2026
It's short, it's sweet, it makes your brain go "vrooom". The challenges don't overstay their welcome, and while you can die, the checkpoints are very very generous and you won't get frustrated by having to do a task over and over just because you fail the same jump. There is a bit of timing asked, especially in the end, but nothing too difficult. OH, and there is no final countdown when reaching the end puzzle. Which I GREATLY appreciate ! The game's mood is heavily influenced by "Portal" and it wears it on its sleeve. No shame, Portal is great. It's one of those games that I'll revisit, once in a while. It makes a smile appear on my face.
8 hours played
June 2026
What a blast, i knew i would love it as soon as i started, sound quality and atmosphere were top notch. Game is about of portal-like puzzles where shadows kills you, kinda like the floor is lava, so the puzzles resolve of lighting your path to the exit, Story is good too witch i didnt except it. Anyway definitly grab it if you see it on sale, it will not dissapoint.
6 hours played
May 2026
Hello Darkness My Old Friend Key features [*]Portal wanna be, [*]Actually nice puzzle mechanics, [*]Randomly spawns a purring cat (rare encounter) Light Me Up Light is life, indeed. Overall Lightmatter is a nice puzzle game. It's very short, smaller than first Portal game, which Lightmatter tributes several times! There's a radio playing the song, if you poke dark corners you'll find the turret and cube, and then the director mentions Aperture Science. I think those mentions should have been more subtle, and not literally pushed into eyes. https://steamcommunity.com/sharedfiles/filedetails/?id=3717351577 So what do you do here? Something bad happened in a research facility, staff is being swallowed by shadows. The only way to survive is to avoid them and stay in light by moving from one area to another. Lightmatter chambers aren't sophisticated brainstorm mayhem, they set pretty clear escape path and there's logic behind solutions, unlike Relicta. There are only two major tools - lamps and light prisms, one creates big and wide safe lit area, if placed far, or small and narrow circle when placed close. Another tool, when connected, makes a light path and goes as far as long it remains connected. And trust me, it's so easy to forget about it when you're looking around for a possible route, then bam! - connection is lost and you're being eaten by shadows. Then there are moving platforms, which made me giggle few times when I sent the lamp away and shortly realised I was about to die w/o light. Hehehe... And finally tricky light detectors, when either lamps or light beamers are near, these would activate platforms, doors and alike. https://steamcommunity.com/sharedfiles/filedetails/?id=3717351389 Genuinely a nice game, wish it was longer, that's all.
9 hours played
April 2026
Really clever puzzle game built around light and shadows. It starts simple but quickly ramps up into some brain-melting challenges. The humor and narration keep it from feeling too dry. Short, but very satisfying.

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Frequently Asked Questions

Lightmatter is currently priced at 19.50€ on Steam.

No, Lightmatter is currently not on sale. You can purchase it for 19.50€ on Steam.

Yes, Lightmatter received 2,505 positive votes out of a total of 2,740 achieving a rating of 8.76.
😎

Lightmatter was developed by Tunnel Vision Games and published by Aspyr.

Yes, Lightmatter is playable and fully supported on Windows.

No, Lightmatter is not playable on MacOS.

No, Lightmatter is not playable on Linux.

Yes, Lightmatter is playable on Steam Deck, though it might require a few minor tweaks. Make sure to check the Steam store page and community feedback on ProtonDB for exact compatibility details.

Yes, Lightmatter is playable on Steam Machine, though it might require a few minor tweaks. Make sure to check the Steam store page and community feedback on ProtonDB for exact compatibility details.

No, Lightmatter does not support VR.

Lightmatter is a single-player game.

No, Lightmatter does not currently offer any DLC.

No, Lightmatter does not support mods via Steam Workshop.

No, Lightmatter does not support Steam Remote Play.

Yes, Lightmatter is enabled for Steam Family Sharing. This means you can share the game with authorized users from your Steam Library, allowing them to play it on their own accounts. For more details on how the feature works, you can read the original Steam Family Sharing announcement or visit the Steam Family Sharing user guide and FAQ page.

You can find solutions or submit a support ticket by visiting the Steam Support page for Lightmatter.

Data sources

The information presented on this page is sourced from reliable APIs to ensure accuracy and relevance. We utilize the Steam API to gather data on game details, including titles, descriptions, prices, and user reviews. This allows us to provide you with the most up-to-date information directly from the Steam platform.

Additionally, we incorporate data from the SteamSpy API, which offers insights into game sales and player statistics. This helps us present a comprehensive view of each game's popularity and performance within the gaming community.

Last Updates
Steam data 30 September 2026 14:06 UTC
SteamSpy data 14 October 2026 10:31 UTC
Steam price 25 October 2026 19:37 UTC
Steam reviews 19 October 2026 15:46 UTC

If you'd like to dive deeper into the details about Lightmatter, we invite you to check out a few dedicated websites that offer extensive information and insights. These platforms provide valuable data, analysis, and user-generated reports to enhance your understanding of the game and its performance.

  • SteamDB - A comprehensive database of everything on Steam about Lightmatter
  • SteamCharts - Analysis of Lightmatter concurrent players on Steam
  • ProtonDB - Crowdsourced reports on Linux and Steam Deck Lightmatter compatibility
Lightmatter
Rating
8.8
2,505
235
Game modes
Features
Online players
2
Developer
Tunnel Vision Games
Publisher
Aspyr
Release 15 Jan 2020
Platforms
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