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 6 of 10 · 300 puzzles
← Back to puzzle library8×8 Hard Puzzles
30 puzzles
Mini Sudoku 8x8 #0250
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0249
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0248
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0247
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0246
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0245
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0244
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0243
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0242
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0241
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0240
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0239
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0238
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0237
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0236
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0235
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0234
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0233
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0232
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0231
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0230
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0229
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0228
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0227
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0226
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0225
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0224
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0223
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0222
A hard 8×8 puzzle. One unique solution. Tap to play.
Mini Sudoku 8x8 #0221
A hard 8×8 puzzle. One unique solution. Tap to play.