How to play

The rules

1. 1Start on the tile marked 1.
2. 2Drag or tap to neighbouring tiles to extend one continuous line.
3. 3Reach the numbered tiles in ascending order: 1, 2, 3 …
4. 4Your line must cover every tile in the grid exactly once.
5. 5Finish on the highest number with the grid completely filled.

Controls

• Touch / mouse: press and drag across tiles. Drag back one tile to erase it.
• Arrow keys: extend the path in that direction.
• Backspace or Z: undo the last tile.
• Space: pause or resume.
• H: use a hint (limited per puzzle).
• R: restart the current puzzle.

Scoring

Each difficulty has a base score. You lose points for every second, each mistake (−45) and each hint (−90). Solving with zero mistakes and zero hints earns a flawless bonus, and your daily streak adds up to 375 bonus points.

Difficulties

• Easy5×5 · warm-up in under a minute
• Medium6×6 · the classic coffee-break size
• Hard7×7 · needs a plan before you draw
• Expert8×8 · for the stubborn five minutes