Unlimited practice

Number Trail practice

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Start at 1, connect checkpoints in order, and fill every square.

How to play Number Trail

  1. Begin on checkpoint 1.
  2. Drag or use arrow keys to move up, down, left, or right.
  3. Visit numbered checkpoints in ascending order.
  4. Fill every cell exactly once, finishing on the last number.

Drag backward one cell or press Backspace to undo. Your daily progress stays in this browser.

Trail complete

Nicely connected!

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Practice without changing the daily result

Choose a 5×5 easy, 6×6 medium, or 7×7 hard board and create another puzzle whenever you like. Practice starts from a fresh local seed and does not change daily completions, streaks, or the site-wide activity totals.

Learn the shape of a complete trail

Use practice to notice common traps: entering a corner without a route out, splitting the unfilled board into disconnected areas, or reaching the last checkpoint before every cell is used. Undo remains available throughout the round.