Puffline: Train Track Puzzle

Connect the train tracks from tunnel to tunnel. A logic puzzle with no guessing.

Puffline is a train track puzzle about building one railway line. Lay track from tunnel to tunnel so each row and column holds exactly as many pieces as its sign says, then watch a little steam train run the line you made.HOW IT WORKSEvery board is a small railway map: a grid with two tunnels on its edge and a wooden sign beside each row and column. The number on a sign tells you how many track pieces that line hold…