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 8 of 10 · 300 puzzles
← Back to puzzle library6×6 Hard Puzzles
30 puzzles
Mini Sudoku 6x6 #0290
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0289
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0288
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0287
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0286
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0285
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0284
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0283
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0282
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0281
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0280
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0279
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0278
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0277
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0276
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0275
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0274
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0273
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0272
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0271
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0270
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0269
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0268
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0267
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0266
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0265
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0264
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0263
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0262
A hard 6×6 puzzle. One unique solution. Tap to play.
Mini Sudoku 6x6 #0261
A hard 6×6 puzzle. One unique solution. Tap to play.