Twinline: Daily Mirror Line Puzzle

Draw one line. Its upside-down twin draws itself. Together they must fill the board.

Twinline is a daily path puzzle with one new rule. Start at 1 and drag through the numbers in order. Every square you take, the twin line takes the matching square on the opposite side of the board (rotated 180 degrees). Your line and its twin can't overlap, and together they have to cover every square.

That one rule changes how you think: every move you make also makes a move for you on the far side of the board, so you plan two paths at once.

What you get

• 3 new puzzles every day: Easy 6x6, Medium 8x8, Hard 10x10
• Every puzzle has exactly one solution, checked by a solver. Pure logic, no guessing
• Endless practice mode with 900 puzzles
• Undo, restart and hints that fix your line and draw it a few squares on
• Daily streak and a spoiler-free share card
• Works on phone and desktop, light and dark theme, no account, no ads

How to play

1. Drag from the square marked 1.
2. Pass through 2, 3, 4... in order and end on the highest number.
3. Faint numbers show where the twin will cross each number.
4. Drag back over your line to take moves back.

Free to play. If you enjoy it, a small tip or Patreon support keeps new puzzles coming.