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Light 'Em

Light 'Em

by Mina Pêcheux

Price $2.99
Avg Players 0
Released Sep 29, 2025
2DAbstractAutomationCasual

Media

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Light 'Em is a sci-fi idler where you accumulate power to create stars and constellations at your own pace. The game blends relaxing astronomy education with creative freedom, letting you discover real constellations or design your own across an expanding universe. It's ideal for players seeking a meditative incremental experience with artistic customization options.

About this game

What players are saying

▲ Recommended 1 hrs
Really relaxing idle game.
The atmosphere is perfect for calmly creating new constellations, relaxing, and feeling like an artist drawing on the night sky.

My little zen pause, for sure.
3 found helpful Steam ↗
▲ Recommended 8 hrs
A really fun idle/clicker game that also teaches you about Astronomy.
3 found helpful Steam ↗
▲ Recommended 0 hrs
Pretty fun, and the dev was quick to address the only major bug I've encountered. A very relaxing little incremental game.
2 found helpful Steam ↗

Reviews are by Steam users, hosted on Steam.

Latest updates

v0.5.0 - Refactor of the "auto-prod" system

159 days ago
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 upgrade and caused the auto-prod of the star type to sink back to a lower valueand to make auto-prod more interesting overall (since up til now, active prod was usually way more useful, unless you had very specific skill tree upgrades + run bonuses)To that end, I've decided to refactor the auto-prod system as follows.Starting from v0.5.0, instead of having an "auto-prod rate" that is then transformed into a per-second auto-prod amount, I've decided to use an "auto-prod multiplier".So, basically, now, the auto-prod value of a star type is computed from its active prod, just multiplied by a factor. Upgrading the "auto-prod" of a star type grows this multiplier, gradually making the auto-prod value closer and closer to the active prod value... until it even outgrows it and you start to super-boost your auto-production! :)Full disclosure: I've tried to test this new system as much as possible but, as usual, balancing everything is kinda hard - so I'd love to get your opinion / feedback / advice on whether you think the current balance is OK, or where it could be improved!

v0.4.3 - Blueprint improvements + Multi-prestige!

169 days ago
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 isolated star (i.e. a star with no links at all). You'll get a warning, and you'll be blocked from validating until every star in your constellation has at least 1 link.Constellation blueprint limits: When completing a constellation blueprint, you'll now have a hard-limit on the number of links you can create. If you try to abuse the system by over-adding links, the game will block you and give you a warning that you're exceeding the expected number of links.Multi-prestige: If you've over-accumulated enough skill points to reboot multiple times in one go, you won't need to go through reboot multiple times anymore. Now:You'll get a little indicator next to your reboot button to tell you the number of reboots you'll do.If you do more than 1 reboot in one go and you've already unlocked Astral Pacts in your game, you'll get "bonus rerolls" to reroll the bonuses for a given run :) Note: These rerolls stack up, and they're saved with the rest of your game data (if you've saved your game with a version of Light 'Em that is v0.4.3 or more).Refactors Constellation thresholds-related skills: I have slightly increased the values granted by the "Celestial Expansion" and "Astral Bridges" skills (that increase the number of stars and link length threshold for constellation auto-validation). Hopefully, they should support bigger constellations now! Note: But rebalancing is always difficult, so feel free to tell me what you think, if it works, etc :)FixesMisc:When you're renaming a custom constellation, you won't get a contextual menu if you right-click on the text input anymore!I improved the formatting of large numbers to use mantissas as simple as possible. This should avoid getting things like "10.0M", and intead give "10M".

v0.4.2 - Improvements & fixes

170 days ago
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 be able to use the telescope more times before it becomes really expensive. Note: The behaviour of this refactor will be weird for already saved games (since, sadly, the price of using the telescope is saved in the game's file, so it will be the cost from before this update)!Fixes Market & Casino: Both those special features have been fixed to scale with the current autoprod/game state. 1. Instead of giving fixed (way too low!) rewards, the casino will now offer to bet (and consequently gain) money or skill points relative to your current autoproduction and skill points amount. 2. The Market should now properly compute the up/down derivation of your initially invested value :)Misc: When using the telescope, the constellation blueprint should directly stick to your cursor instead of spawning in the top-left corner of the screen.MiscI've slightly re-adjusted some star production growths... still rebalancing the best I can! ^^ You can now rotate constellation blueprints (given by the telescope) clockwise, too, if you're using a mouse!

Posts come from Steam's official announcements feed.

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