How to play Conduit

Drag from a glowing terminal to its matching twin to lay a conduit between them. Link every colored pair and fill every single cell to bring the reactor online. Conduits can't cross — draw through another line to cut it, or draw back over your own to shorten it. Undo and Clear are there when a route boxes you in.

There are 60 levels across six reactor sizes, from small 5×5 grids up to dense 10×10 boards, and every one ships with a machine-verified solution. Solve a level in par moves to earn its star.

Tips & strategy

• Fill the corners first; a corner terminal has only one way out.
• Every cell must be covered, so a route that leaves gaps is wrong even when all pairs connect.
• Follow the walls — edge routes have the fewest branches to reason about.
• Chase par for the star only after you've solved the level the simple way.

Conduit is a free flow-connect logic puzzle online with no download — 60 solver-certified levels of linking every pair and lighting every cell, right in your browser.