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 3 of 10 · 300 puzzles
← Back to puzzle library10×10 Hard Puzzles
30 puzzles
Mini Sudoku 10x10 #0240
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0239
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0238
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0237
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0236
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0235
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0234
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0233
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0232
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0231
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0230
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0229
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0228
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0227
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0226
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0225
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0224
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0223
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0222
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0221
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0220
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0219
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0218
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0217
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0216
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0215
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0214
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0213
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0212
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0211
A hard 10×10 puzzle. One unique solution. Tap to play.