hard
8×8
Mini Sudoku 8x8 #0221
Published 10/16/2026Tags: mini-sudoku, 8x8, hard
Mini Sudoku 8x8 #0221
hard • 8×800:00
Hints 3
Puzzle Notes
21 clues. Every placement is a box hidden single: pick a digit, find the one cell in a box where it fits. No pencil marks needed.
#mini-sudoku
#8x8
#hard
A hard 8×8 board with 21 clues and exactly one solution, checked by a solver. Pencil marks, hints and undo work on phone and desktop.