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Lightmatter
A first-person puzzler where shadows kill you. Watch your step or be swallowed by the darkness.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“This is a relatively short game with excellent graphics and story writing. The puzzles are amusing and interrupted from time to time with timed sections of obstacles. Some eye-hand coordination required, but most emphasis is on reasoning and puzzle solving. It would have been…”
— a player, Steam review · 11 hrs played“[h1]Hello Darkness My Old Friend[/h1] [b]Key features[/b] [list] [*]Portal wanna be, [*]Actually nice puzzle mechanics, [*]Randomly spawns a purring cat (rare encounter) [/list] [b]Light Me Up[/b] Light is life, indeed. Overall Lightmatter is a nice puzzle game. It's very short,…”
— a player, Steam review · 6 hrs played“Really fun puzzle game. A lot of homage to portal, especially on the humour front (Also a direct mention of Aperture Science). Avoid the shadows, shine light on them, do what you must to escape. 8/10”
— a player, Steam review · 14 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-11 13:10 UTC · history via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Lightmatter Anniversary: Play 9 never-before-released prototypes!
Hello everyone! As we wrote a few weeks ago, Lightmatter is turning five years this month!🥳 Some of you might already know that the game actually began as a university project called 'See You On The O
Happy 5-year anniversary!
Hi everyone! Can you believe it? It has already been five years since Lightmatter saw the light of day! In order to celebrate, today we are releasing the amazing soundtrack that Ulrik Slot Christensen
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Aspyr's 2024 Summer Sale
It's officially the hottest time of the year and you know what? We think that the classic summer beach vacation is overrated. That's why we're offering you dozens of alternate vacation locations, all
Speedrunning livestream with David Bateson & Natalie Hitzel - today!
The awesome people from the Lightmatter Discord community will be speedrunning Lightmatter Any% at a marathon called For The Love of Gaming later today - January 28th at 4:48PM EST. It's completely or
Games like Lightmatter
From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
Machinika: Museum
91.4% · 2,000 reviews
shares Science, Narration, Futuristic, Logic
Q.U.B.E: Director's Cut
78.1% · 1,231 reviews
shares Science, Puzzle Platformer, Difficult, Sci Fi
Metal Garden
96.8% · 2,742 reviews
shares Futuristic, FPS, Dark, Sci Fi
The Eyes of Ara
80.2% · 510 reviews
shares Logic, Old School, Difficult, Sci Fi
Suicide Guy
87.8% · 787 reviews
shares Science, Puzzle Platformer, FPS, Sci Fi
The Entropy Centre
88.0% · 2,641 reviews
shares Futuristic, Puzzle Platformer, FPS, Difficult
The Last Campfire
96.9% · 6,325 reviews
shares Narration, Puzzle Platformer, Dark, Controller
COCOON
93.8% · 4,140 reviews
shares Futuristic, Puzzle Platformer, Controller, Sci Fi
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Adventure, Indie |
| Player tags | Logic · Indie · Adventure · Puzzle · First-Person · Sci-fi · 3D · Atmospheric · Science · Dark Comedy · Dynamic Narration · Narration (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Steam Trading Cards · Partial Controller Support · Steam Cloud · Family Sharing |
| Languages | English * , Danish * , French, Italian, German, Spanish - Spain, Japanese, Russian, Simplified Chinese, Portuguese - Brazil * |
| Achievements | 23 |
| Estimated owners | 200,000 – 500,000 (SteamSpy) |
| Official site | http://lightmattergame.com |
Minimum system requirements (PC)
Minimum: 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