Lightmatter
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About Lightmatter
Lightmatter is a first-person puzzle game in which you use lights, shadows, beams, platforms and lightmatter to solve puzzles through lateral thinking. Deadly shadows make the floor dangerous, so you examine your surroundings and use a lamp to cross gaps.
Virgil and the CORE
David Bateson voices Virgil, the CEO of Lightmatter Technologies. Virgil describes a future with a CORE at the center of a city, providing sustainable, renewable energy to millions. The game raises the question of what might be sacrificed for that future.
Frequently asked questions
The best price for Lightmatter is $0.54 at Kinguin. That is 97% less than on Steam, where it costs $19.99. 16 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Lightmatter stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Lightmatter are: Windows 10, GeForce GTX 660, Intel Core i3-4170, 8 GB RAM, 6 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Lightmatter is a single-player game.
Mostly, yes. Valve rates Lightmatter as Playable on the Steam Deck: it runs, but may need some manual setup.
Buy Lightmatter 97% cheaper than on Steam.
Lightmatter is available for 97% less in shops such as Kinguin, Gameseal, or K4G.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











