Swipe, leave a trail, fill every tile. A clean, clever and relaxing one-line puzzle game.






The ball rolls until it hits something. Its trail becomes a wall. The rest is your plan.
Every level is generated and proven solvable by a solver. Stops, arrows and portals unlock as you go.
One thumb, portrait, no internet needed. On the subway, in line, on a coffee break.
Light and dark mode, a calm black-and-white look, soft sounds.