Six Stones / Aaru Gundu

How to play

A traditional single-player coin-placement puzzle, taught the old-fashioned way from parent to child — no opponent, just careful counting. Seven pits sit in a fixed ring: pick an empty pit, count six pits clockwise or anticlockwise, and if the sixth is also empty, place a stone there.

Rules

  • Tap any empty pit to select it as your starting point.
  • Highlighted pits show where a stone can land: six pits away, clockwise or anticlockwise, counting the starting pit itself as the first.
  • Tap a highlighted pit to place a stone there — your starting pit stays empty either way.
  • Fill 6 of the 7 pits to win; if no empty pit has an empty landing spot left in either direction, you're stuck.

Tips

Each empty pit offers two possible landings — clockwise and anticlockwise — so think a few moves ahead about which pits you're about to lock yourself out of. Undo is unlimited, so it's safe to try a line and back out if it dead-ends.