Hard Mini Sudoku Puzzles
Hard Mini Sudoku puzzles are built for slower solves, cleaner pencil marks, and more careful region-by-region logic.
These boards are where pairs, locked candidates, and patient scanning matter most, especially on 8×8 and 10×10 grids.
Page 4 of 10 · 300 puzzles
← Back to puzzle library8×8 Hard Puzzles
20 puzzles
Mini Sudoku 8x8 #0300
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0299
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0298
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0297
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0296
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0295
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0294
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0293
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0292
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0291
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0290
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0289
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0288
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0287
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0286
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0285
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0284
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0283
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0282
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0281
A hard 8×8 puzzle. One unique solution. Tap to play.
10×10 Hard Puzzles
10 puzzles
Mini Sudoku 10x10 #0210
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0209
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0208
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0207
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0206
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0205
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0204
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0203
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0202
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0201
A hard 10×10 puzzle. One unique solution. Tap to play.