How it plays

1. 1

   Tap to turn

   Every tap turns a wire a quarter turn clockwise. Wires only link where their ends meet across a shared edge.

2. 2

   Find the route

   Somewhere among the decoy wires is a path from the battery to the bulb. Powered wires glow gold, so you can see how far the light has reached.

3. 3

   Wake the bulb

   Power reaches the bulb and it lights up with a grin. Finish within par for three stars, or replay to beat your best.

11 worlds to light up

Boards grow from 3×3 to 6×6, from gentle tutorials to full dark boards packed with decoys.

1. 1

   SPARK

   Learn the ropes

   Levels 1–20
2. 2

   SURGE

   5×5 circuits

   Levels 21–40
3. 3

   GLOW

   Bigger 6×6 boards

   Levels 41–60
4. 4

   BEACON

   6×6 challenge

   Levels 61–80
5. 5

   AURORA

   6×6 masters

   Levels 81–100
6. 6

   SOLSTICE

   Long bright routes

   Levels 101–125
7. 7

   NEBULA

   Holes and dead ends

   Levels 126–150
8. 8

   LUMEN

   Straight-line tricks

   Levels 151–175
9. 9

   HORIZON

   Winding boards

   Levels 176–200
10. 10

    ECLIPSE

    Full dark boards

    Levels 201–225

11. ZENITH

    The final climb

    Levels 226–250

Play at your own pace

• No timers, no lives

  Take as long as you like. Leave in the middle of a puzzle and Continue picks up right where you were.

• 3 free hints every level

  A hint turns one wrong wire on the route into place. Reset or replay a level and all of them come back.

• Ads only when you ask

  Out of free hints? You can choose to watch a short video for one more. No banner or pop-up ads.

• Your progress stays on your phone

  No account, no sign-in. Puzzles play offline; only the optional hint videos need internet.

Details are in the privacy policy.