Lightmatter
First-person puzzle adventure where shadows kill and light clears paths
Tunnel Vision Games · Published by Aspyr · Released Jan 15, 2020
- Reviews
- Very Positive
- 92% of 2,908
- Recent reviews
- Not enough recent
- Players
- 1
- daily peak, Nov 7, 2026
- Steam Deck
- Playable
- Last update on Steam
- 1 year ago
- Oct 11, 2025
Metacritic: 73/100 (critic reviews)
What is Lightmatter?
Lightmatter is a first-person science-fiction puzzle adventure about a company's plan to power a city. You direct light, work with beams and platforms, and find paths through shadows that kill you.
For you if...
- +you like logic puzzles built around light and shadows
- +you enjoy short, narrated science-fiction puzzle games
Not for you if...
- −you want a long game with branching story choices
- −you dislike occasional timed movement between puzzles
What players say
92% of 2,908 reviews are positive
Players praise the light-and-shadow puzzles and often like the narration and story. Common complaints are the short length and humor or commentary that some players find tiresome; a few also report performance problems.
How many players finish Lightmatter?
21% of Steam players have unlocked «See you on the other side!», the achievement for finishing the main story.
Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.
Screenshots and trailer
Lightmatter system requirements
Minimum: GTX 660, 8 GB RAM, 6 GB of disk space.
As published by the developer.
Can my PC run Lightmatter?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows 10
- Processor
- Intel Core i3 4170 / AMD A8-7600
- Graphics
- NVIDIA GTX 660 / AMD R9 270
- Memory
- 8 GB RAM
- Storage
- 6 GB available space
Does Lightmatter have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Lightmatter run on Steam Deck?
Playable Playable: it runs on Steam Deck with some adjustments.
- The launcher or setup tool may need the touchscreen or virtual keyboard
- Default controller config not fully functional
- In-game text is legible on Steam Deck
- Default graphics settings perform well on Steam Deck
- External controllers are not supported for the primary player
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Achievements
- 23
- Steam features
- Cloud saves, Family Sharing, Trading cards
- Languages
- Full audio: English, Danish. Text only: French, Italian, German, Spanish - Spain, Japanese, Russian, Simplified Chinese, Portuguese - Brazil.
Does Lightmatter use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam
