Puzzles by type

Author: Andrey Bogdanov

Antidiagonal Sudoku

9x9 9x9 9x9 9x9 9x9

Antiknight Sudoku

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

Diagonal Sudoku

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

Even/Odd Sudoku

6x6

Fortress Sudoku

6x6 8x8 9x9

Irregular Sudoku

9x9 6x6 8x8

No Touch Sudoku

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

Odd-Even-Big-Small

8x8 8x8 8x8

Perfect Square Sudoku

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

Skyscrapers Sudoku

6x6 6x6

Sudoku

9x9 6x6 8x8 9x9 9x9

X Sums Sudoku

6x6 6x6

Chat Room

7x7 8x8

Every Second Straight

6x6

Every Second Turn

6x6 10x10 10x10 10x10

Fences

6x6 10x10

Hexa Fences

3x3 4x3 4x4 5x5

Masyu

8x8 9x9 12x10

Minesweeper Loop

7x7 9x9 10x10 11x11 16x16

Simple Loop

7x7 10x11 12x12

Belarusian Snake

8x8

Dutch Snake

9x9 10x10

Maxi Snake

7x7 8x8 11x11 17x17

Snake

8x8 9x9 9x9 10x10 8x8 11x11

Ripple Effect

6x6 8x8 13x13

Suguru

7x7 8x8
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