Puzzles by type

Author: Vladimir Portugalov

Antidiagonal Sudoku

9x9 9x9

Consecutive Sudoku

6x6 8x8

Diagonal Sudoku

6x6 6x6 6x6 6x6 8x8 9x9 8x8 8x8 8x8 9x9

Even/Odd Sudoku

6x6 6x6 8x8 9x9 9x9 9x9 9x9

Fortress Sudoku

6x6 9x9 9x9

Irregular Sudoku

6x6 7x7 8x8 7x7 8x8 9x9 8x8 7x7 9x9

No Touch Sudoku

9x9

Odd Sudoku

9x9

Odd-Even-Big-Small

8x8 8x8 8x8 8x8 8x8 8x8 8x8

Pair Sum Sudoku

9x9 9x9

Perfect Square Sudoku

9x9 9x9 9x9

Skyscrapers Sudoku

6x6 9x9 9x9 9x9

Sudoku

6x6 8x8 8x8 9x9 9x9

Sudoku Extra Regions

6x6 9x9

X Sums Sudoku

6x6 6x6 6x6 6x6 8x8 8x8 8x8

Hungarian Pentomino

17x17

LITS

8x8 8x8

Pentomino

12x12

Pentomino Areas

12x12 12x12
Stars show the aproximate puzzle difficulty:
  • - 30 seconds solving time for an expert
  • - 75 seconds solving time for an expert
  • - 4 minutes solving time for an expert
  • - 10 minutes solving time for an expert
  • - 25 minutes solving time for an expert