LightUp game icon

LightUp

Android · Puzzle game

Close the circuit. Light the bulb.

A neon circuit-board puzzle. Tap hexagonal tiles to rotate them and connect the battery to the bulb. When the path closes, the circuit lights up.

LightUp logo

features


50 hand-tuned levels

A crafted difficulty curve that teaches you the tricks before testing them.

Endless mode

Finished the campaign? Keep going with generated levels that are always solvable.

Daily puzzle

A fresh puzzle every day, with streaks, best times and a shareable result.

Stars & hints

Earn up to three stars per level by solving in fewer moves, and use hints when you’re stuck.

Achievements & leaderboards

Compete with friends and players worldwide on Google Play Games.

Themes & skins

Many color themes and tile skins, plus sound effects and haptics you can tune.

how to play


  1. Find the battery and the bulb

    Each board has a power source and a bulb waiting to be lit.

  2. Rotate the tiles

    Tap any hexagonal tile to rotate it and line up the wires.

  3. Close the circuit

    Connect an unbroken path from battery to bulb and watch the board light up.

  4. Go for three stars

    Solve in as few taps as possible to earn every star.

built with


KotlinJetpack ComposePlay Games ServicesAdMob

privacy


Your game progress and settings are stored on your phone. LightUp has no server and no account of its own. It uses Google Play Games Services for achievements and leaderboards, and Google AdMob to show ads between levels (never before level 5 or during daily puzzles).

Read the full privacy policy →

Questions or feedback?

I’d love to hear from you.