Gan Jing WorldPuzzles

Sixfold

Fill every row, column and region, 1 to 6

  1. Every row and column holds 1 to 6, once each.

  2. Every region does too.

  3. A repeat turns red.

Controls

  • Tap a cell, then a number.
  • Notes writes small candidates instead.16
  • Bold digits are the puzzle's own.
  • Keys: arrows, 1–6, Shift+digit or N for notes, Backspace, Ctrl/⌘+Z.

Look for a digit with one place left in a region.