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 2 of 10 · 300 puzzles
← Back to puzzle library10×10 Hard Puzzles
30 puzzles
Mini Sudoku 10x10 #0270
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0269
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0268
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0267
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0266
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0265
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0264
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0263
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0262
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0261
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0260
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0259
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0258
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0257
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0256
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0255
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0254
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0253
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0252
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0251
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0250
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0249
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0248
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0247
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0246
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0245
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0244
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0243
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0242
A hard 10×10 puzzle. One unique solution. Tap to play.
Mini Sudoku 10x10 #0241
A hard 10×10 puzzle. One unique solution. Tap to play.