Pigeon Sort

Pigeons of different heights stand in a row. Tap one to flip it and everyone to its left, and sort them shortest to tallest.

Pigeon Sort

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Watch a 20-second trailer

A real run of the game, recorded with captions and no sound.

How to play

  1. Pigeons of different heights stand in a row. You want them shortest on the left to tallest on the right.
  2. Tap a pigeon to flip the group made of that pigeon and every pigeon to its left. They swap places in reverse order.
  3. Order the whole row to win. Each puzzle shows the fewest flips possible, and you can match it.
  4. Undo and Restart are always available.

Controls: mouse or touch. Made by CalcoTools.

Tips and strategy

  • Bring the tallest pigeon to the far left with one flip, then flip it to the right end with the next.
  • Work from the right: fix the tallest pigeon in place first, then the next tallest.
  • A flip of one pigeon does nothing, so the first pigeon cannot be tapped.
  • Look for a flip that puts two neighbours in order at once.

FAQ

What does flipping do?
It reverses the order of the tapped pigeon and all pigeons to its left. The ones to its right do not move.
Can I match the fewest flips?
Yes. The shown number is the true minimum, found by a full search.
Is the daily the same for everyone?
Yes, on the same UTC day.

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