Last 7 days · history since Nov 1, 2026
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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82% positive of 17 · Positive · Live from Steam
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Free on Steam. The demo has its own app, so its players are counted separately.
The whole universe is at your mouse-clicks in this sci-fi idler game - make stars, make constellations, and make more power... to keep making more! Plus, you'll get to discover real constellations, or design your own :)
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 82% on 2026-11-01 → 82% today (17 reviews)
No authorized Steam key store lists this game right now.
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Heya all! To celebrate the summer, here's a little update of Light 'Em with 6 new summer-themed constellations ☀️(And by the way, I've also included a few fixes, and the possibility to reset tutorial progress, if you wish to restart it to remind you of the bas…
Heya all! Thanks to everyone's continuing help and feedback, I've done a new update for Light 'Em to (try and? ^^) improve the auto-prod system for the 6 star types.My two main goals with this update were:to fix the bug that occurred around LVL 175-176 of rate…
Heya all! Thanks to everyone's continuing help and feedback, I've fixed a few more bugs, and added some features, in Light 'Em these past few days :)Features Isolated stars: I added a rule to prevent constellations from getting validated if they contain an iso…
Heya all! Thanks to everyone's continuing help and feedback, I've fixed a few more bugs in Light 'Em these past few days :)Refactors Telescope: The price increase of the telescope has been severely softened - i.e. the cost will grow way more slowly, and you'll…
Heya all! Thanks to everyone's continuing help and feedback, I've fixed a few more bugs in Light 'Em these past few days :) Fixes Star upgrades: Fixed the sudden "downgrade" on Pulsars when reaching level 7 + Rebalanced the star powers to get a better evolutio…
Heya all! Thanks to everyone's continuing feedback, I've fixed/improved yet a few things in Light 'Em this week 😀 Features: When you use the telescope, you can now use the mouse scroll or to rotate it. This can be useful if you need the blueprint to fit in th…