Circuit Spin: light up every lamp

Circuit Spin is a free wire puzzle for your browser. The board is a grid of tiles with bits of wire on them. In the middle is the power source, and around the board are lamps. Turn the tiles so the wires join up into one circuit, and every lamp lights up. Each level has one board, and there's always a way to solve it.

How to play

• Tap a tile to turn it a quarter turn clockwise.
• Wires glow when they connect back to the power source.
• Power every tile and every lamp on the board to finish the level.
• Boards grow from 4×4 to 7×7 as you level up.
• Stuck? Hint turns one tile the right way. Restart puts the level back to how it started.
• On a keyboard, use the arrow keys to pick a tile and Space to turn it.

Tips

• Start at the edges and corners. A wire there can only point inward, so those tiles have fewer right answers.
• Lamps are dead ends. A lamp tile only ever has one wire.
• Work outward from the glowing part of the circuit so you always know what's connected.

FAQ

Is my progress saved?

Yes, the level you've reached is stored in this browser, so you can come back and carry on.

Does every level have a solution?

Yes. Every board is built as one complete circuit and then scrambled, so it can always be solved.