Fill the Box: Paint Maze

Slide the ball. It rolls until it hits a wall and paints every cell on the way. Paint them all and the box is full. Every board is generated on the spot and always has a way through. Calm, one-thumb, offline. No ads, no purchases, no accounts, nothing collected. Fill the Box is a sliding puzzle about paths: each swipe commits you to a whole line, so the puzzle is choosing the order. Easy boards are quick warm-ups; hard boards are tight grids where one wrong line can wall you off, and the game tells you the moment that happens. • A new Daily board every day, the same for everyone, with a streak to keep • Adaptive play that follows how you solve, plus Easy, Medium and Hard • Every board generated and guaranteed solvable, with an honest par and stars • Undo, a hint arrow and the full solution whenever you want them • Records of your levels, stars and Daily streak • Colour themes, including…