Lumen Path: Laser Logic Puzzle

Bend the light. Fill the dark.

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

144 puzzles, every one verified. A new board every day. Not a word of text in any of them — no timers, no lives, no waiting to play. Light enters. You decide where it goes. Lumen Path is a laser puzzle set on a dark optical bench. Emitters fire beams across a grid of brass and blackened steel. Every target asks for one exact colour, and it is lit only when it gets exactly that — not more, not less. Tap a piece to turn it. That is the whole of the game. WHAT YOU WORK WITH • Mirrors that fold a beam ninety degrees • Prisms that break white into red, green and blue • Splitters that send one beam two ways at once • Combiners that mix colours back together • Filters, rotators, one-sided mirrors and portals 144 PUZZLES, ALL VERIFIED Six chapters of twenty-four. Each one introduces a single new piece and then exhausts it, so nothing arrives without being taught first — and it is taught by the board, never by a wall of text. Every level is verified before it ships: solvable, with a known shortest solution, and with no piece on it that does not matter. A PUZZLE A DAY One generated board per calendar date, the same for everyone, harder as the week goes on. Keep a streak. Miss a day and it starts again. NOTHING TO READ ON THE BOARD There is not a single sentence of instruction in the game. Colours are shown as shapes as well as hues — a triangle, a circle, a square — so the rules read the same whether or not you can tell red from green, and the same whether or not you read English. PLAYS THE WAY YOU WANT • Fully offline. No account, no sign-in, your progress goes nowhere • No energy, no lives, no timers, no waiting • Undo is free and unlimited — think out loud on the board • One hand, portrait, any time you have a minute • Eight themes to change how the light looks Stars are for arriving at a short solution, not for playing fast. Nothing is locked behind perfect play.

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The developer, Kemal Kaan Cetindag, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

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  • Data Linked to You

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    • Identifiers
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  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

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Accessibility

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Information

Seller
Kemal Kaan Cetindag
Size
25.8 MB
Category
Puzzle
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
4+
In-App Purchases
Yes
  • Optics Pack $2.99
  • Remove Interstitials $2.99
  • Learn More
Copyright
© Kemal Kaan Çetindağ 2026
  • Developer Website
  • Privacy Policy

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