Buy Lightbulb PC

Where can you buy the cheapest Lightbulb key for {6}? Check and compare prices from 1 stores among 1 offers on XD.deals. The lowest Lightbulb price on keyshops is at £1.69 (0% off).

Steam:
Overwhelmingly Negative (4)
Keyshops
Unavailable
Buy in Official Store:
£1.69
Buy in Keyshops:
See price history

Official Stores (1)

DRM:
Steam
Steam
Steam
Lightbulb
Windows
19w ago
DRM:
Steam
Steam
£1.69
Historical Low Deal
Historical low

About Lightbulb

Lightbulb - about the game
Clicking a button to toggle light on or off places you in command of a cosmic struggle between brightness and shadow. This indie strategy simulation runs a real-time day/night cycle driven by collective player actions, where your choices join thousands of others to tip the universal balance. Light exposes hidden truths, while darkness shields lurking threats, creating an endless loop of cause and effect. Unlock a collection of achievements as you experiment with the power switch in this multiplayer clicker. Every decision reshapes the shared world, visible instantly to all participants. Fans of simple yet impactful simulation games will find endless replay value in mastering the light-darkness divide.

In a world where darkness and light wage an eternal battle, LightBulb puts the power in your hands. Press the button and become the guardian of light or the herald of darkness, shaping the fate of an entire universe. Each click, whether to turn on or off, can shift the balance—bringing hope or plunging everything into deep shadows. But beware: light reveals secrets that darkness conceals, and darkness hides dangers that light dares not face. Embark on this journey of crucial choices, where every action echoes in an endless cycle. Prepare yourself—the power to illuminate or consume is in your hands... But what will you choose?

Features:

  • Lightbulb is a clicker game where you click the buttons to turn the light on or off, while all the other players are clicking too.

  • A game where every choice shapes the world. Join the battle between light and darkness and witness the impact of your actions in real time!

  • Day/night cycle based on the real time.

  • Lots of achievements to unlock! Will you be able to unlock them all?

Interface:
EnglishSpanish - SpainSpanish - Latin AmericaPortuguese - Brazil

Age rating

Unavailable
Steam:
Overwhelmingly Negative (4)

Minimum:

  • Processor: Intel Core i3-2100 / AMD FX-6300
  • Memory: 4 GB RAM
  • Graphics: Intel HD Graphics 4000 / NVIDIA GeForce GT 710 / AMD Radeon HD 6450
  • DirectX: Version 10
  • Storage: 200 MB available space
  • Additional Notes: Broadband Internet connection; Compatibility with DirectX

Recommended:

Historical low
Price history from official stores
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Price history from keyshops
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FAQ

8 questions

Before you start looking for a cheap Lightbulb key, check the essentials. Developed by The Fighting Beaver Games. Published by The Fighting Beaver Games. PC released date: 24 Apr 2025. Genres: Strategy, Indie, Simulation. Categories: Multi-player, PvP, Online PvP, Family Sharing, Single-player, Steam Achievements.

Q

Where to buy a cheap Lightbulb Steam key?

Using our price comparison and verified discount codes, you can buy a Lightbulb key for as low as £1.69. This deal is available at Steam and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Lightbulb price on PC. Check the Lightbulb price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Lightbulb Steam price is £1.69. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find Lightbulb on sale even outside seasonal promotions. We currently detect 1 active offer from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Lightbulb is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Lightbulb has an official page on the Steam Store. You can also buy a Lightbulb Steam key from third-party sellers. Our price comparison currently includes 1 offer with Steam DRM. Pick one to ensure your Lightbulb download happens on Valve's platform.

Not at this time. Valve marks Lightbulb as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

Lightbulb does not appear to be available on PC Game Pass, EA Play, Ubisoft+ or any other PC subscription service at this time. Your only option is purchasing the game - use XD.deals to find the best price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Lightbulb deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for Lightbulb

1 Steam Steam Official
£1.69

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