Puzzles by type

Antidiagonal Sudoku

9x9 9x9 9x9 9x9 9x9 9x9 9x9 9x9 9x9 9x9 9x9 9x9 9x9 9x9 9x9 9x9 9x9

Antiknight Sudoku

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

Blackout Sudoku

6x6 9x9 9x9

Citywalk Sudoku

6x6 9x9 9x9

Consecutive Sudoku

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

Diagonal Sudoku

4x4 6x6 6x6 6x6 6x6 6x6 6x6 8x8 9x9 6x6 9x9 8x8 9x9 9x9 9x9 9x9 9x9 8x8 8x8 8x8 6x6 9x9 8x8 9x9 8x8 8x8

Difference Sudoku

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

Double Sudoku

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

Even/Odd Sudoku

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

Fortress Sudoku

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

Irregular Sudoku

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

No Touch Sudoku

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

Numbered Rooms Sudoku

9x9 9x9 9x9

Odd Sudoku

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

Odd-Even-Big-Small

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

Pair Sum Sudoku

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

Perfect Square Sudoku

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

Self-joint Sudoku

9x9 9x9 9x9 9x9 9x9 9x9 9x9

Skyscrapers Sudoku

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

Sudoku

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

Sudoku Extra Regions

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

X Sums Sudoku

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

Akari

6x6 6x6 7x7 7x7 9x9 9x9 10x10 9x9 9x9 8x8 9x9 8x8 10x10 10x10 7x9 9x11 8x8 8x9 9x9 9x9 10x10 10x10 9x9 10x10 12x10 10x10 10x10 10x10 12x12 10x10 17x17 12x12

Battleships

6x6 9x9 15x4 6x6 8x9 9x9 10x10 9x8 9x9 9x9 7x10 9x9 8x9 15x6 9x7

Battleships Minesweeper

6x6 9x9 9x9 8x9 9x9 8x8 9x9 11x10 9x9 10x10 8x8 9x9 8x8 10x10

Clouds

6x5 6x6 8x6 8x6 8x8 8x8 8x8 10x8 10x10 10x10 10x10 10x10 8x8 10x10 10x10 9x9 10x8 10x8 10x8 9x9 9x9 10x9 9x9 9x9 9x9 9x9 10x10 9x11 10x9 10x10 11x11 10x10 10x10 9x9 10x10 11x11 10x10 11x11 10x10 9x9 15x15

Domino Castle with Sums

8x6 8x6 7x11 9x6 13x6 8x8 8x6 10x9 10x8 10x7 6x10 10x8 14x13

Gaps

9x9 9x9 9x9 10x10 9x9 10x10 8x8 10x10 10x10 9x9 9x9 9x9 10x10 11x11 9x9 10x10 13x13 12x12 10x10 11x11 9x9 10x10 11x11 10x10 9x9 11x11 12x12 12x12

Hexa Minesweeper

4x4 4x4 5x4 5x4 5x5 4x4 4x4 5x5 6x6 6x5 5x5 5x5 5x5 7x7 9x9

Knight Battleships

6x6 7x7 8x8 9x9 8x8 9x9 15x4 10x5 11x13 9x9 8x8 7x7 9x9 9x9

Lighthouses

8x8 8x10 9x9 10x9 10x10 10x10 8x8 9x9 9x9 9x9 8x8 9x9 11x11 12x12 11x11 16x16

Minesweeper

6x8 7x7 8x8 8x10 9x9 8x8 9x9 8x8 8x8 9x9 7x7 9x9 7x7 8x8 7x7 9x9 9x9 10x10 7x7 10x10 10x10 11x11 9x9 9x9 12x10 9x9 17x17

No Four in a Row

11x12 8x8 7x9 10x10 8x8 7x9 9x9 10x10 8x10 11x9 10x10 10x8 11x11 10x10 16x16

Point a Star

7x7 7x7 8x8 6x8 9x10 10x8 9x9 8x8 9x9 8x8 8x8 9x9 8x8 9x9 8x8 8x8 8x8 10x10 8x11 9x9 8x8 16x16

Queens

5x5 5x5 6x6 6x6 5x5 6x6 6x6 5x6 5x5 6x6 6x6 6x6 6x6 6x6 4x7 6x6 7x7 6x6 8x8 13x13

Star Battle

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

Star Battle (Small Regions)

9x9 9x9 9x9 10x10 9x9 10x10 9x9 10x10 9x9 9x9 10x10 10x10 18x18 14x14

Tents

6x6 6x6 7x7 8x8 8x8 9x9 9x8 9x9 9x9 9x9 9x9 11x11 10x10 9x9 9x9 11x11 10x9 10x10 10x10 19x19

Alternate Loop

4x4 6x6 6x6 6x6 8x8 8x8 8x8 8x8 6x8 8x8 8x9 10x10 8x8 9x8 8x8 10x12 10x10 10x10 10x10 14x14

Chat Room

7x7 7x5 9x9 9x9 7x8 8x8 8x8 9x10 8x8 7x9 8x8 9x9 9x9 8x8 7x7 10x10 10x10 9x9 10x10 9x9

Country Road

7x7 9x9 7x7 8x8 7x7 9x9 9x8 11x10 10x10 12x12 10x10 9x9 10x10

Double Back

6x6 8x8 8x8 9x8 8x8 8x8 8x8 8x8 8x8 10x10 9x12 8x10

Even/Odd Fence

3x4 3x4 4x4 4x5 5x5 4x8 5x5 7x7

Every Second Straight

6x6 8x9 9x8 10x8 8x8 8x8 10x9 9x8 10x10 10x10 10x10 10x10 10x9 10x10

Every Second Turn

6x6 6x6 9x10 10x6 8x8 8x8 8x8 8x8 10x8 10x9 10x11 10x9 10x9 10x10 8x10 10x10 10x10 10x10 10x10 10x10 10x10 18x18

Fences/Slitherlink

4x4 5x5 6x6 5x5 7x7 5x5 5x5 7x7 6x6 6x9 6x6 7x7 6x6 9x9 6x6 6x6 6x6 8x8 7x7 10x10 9x9 7x7 10x10 9x9 10x10 10x10 10x10 8x8 7x7 10x10 10x10 12x12 10x10 14x14 8x8 10x10 10x10

Four Winds

8x8 8x8 7x8 7x9 10x10 8x8 9x9 7x9 8x8 9x9 9x9 9x9 15x15 14x14

Hexa Fences

3x3 3x3 4x5 5x3 4x4 4x4 4x4 3x5 4x3 4x4 4x4 4x4 5x5 4x5 4x4 4x4 9x2 5x5 5x4 5x5 5x5 5x5 8x8

Inturnal

7x7 6x6 6x7 8x10 9x9 9x9 9x9 9x9 19x19

Knapp Daneben Slitherlink

5x5 4x5 7x7 3x6 4x6 5x5 8x7 5x6 5x5

Kuroshiro

8x8 9x9 9x9

Loop and Bounds

8x8 8x8 8x8 9x8 10x10 8x8 10x10 8x8 10x10 10x10 8x8 10x10 16x16

Masyu

8x8 6x8 8x8 9x9 9x9 9x9 12x8 10x10 7x10 10x10 9x9 9x9 10x10 12x10 9x9 10x10 10x10 8x8 10x10 10x10 15x15 9x10 13x13 10x12

Maxi Loop

6x6 6x6 8x8 8x8 8x8 8x8 8x8 8x8 8x8 7x8 8x10 7x10 10x10 10x10 10x10 16x16

Minesweeper Loop

7x7 7x7 9x9 9x9 10x10 9x9 9x9 10x10 9x9 10x10 8x8 8x8 10x10 10x10 11x11 16x16 12x12

Polygraph

4x4 5x5 5x5 6x8 8x8 7x7 7x7 10x12 8x8 9x9

Railroad

7x7 8x8 8x10 10x9 9x9 9x9 9x9 9x9 9x9 9x9 9x9 10x10

Ring Ring

7x7 9x9 10x10 10x10 10x10 13x11 13x13

Russian Loop

6x6 8x8 9x8 9x8 10x10 10x9 8x8 6x10 10x10 10x9 9x10 10x10 10x10 10x10 12x12

Shortest Segment

8x8 6x6 6x6 10x10 8x8 6x8 8x8 9x8 10x10 10x9 10x10 10x9 10x8 10x10

Simple Loop

7x7 8x8 9x9 9x9 10x10 10x10 8x10 8x8 9x9 10x10 12x12 10x10 10x10 10x10 10x10 11x11 11x11 11x11 10x11 10x10 9x9 10x10 12x12 11x11

Turning Fences

5x5 5x5 6x6 9x6 7x7 6x6 7x7 9x9 9x9

Aqre

7x6 8x8 8x8 8x8 9x8 8x8 10x10

Aquapelago

7x7 10x10 9x9

Aquarium

9x9 9x8 8x8 9x9 8x8 9x9 8x8 10x8 10x9 9x9 9x8 10x10 10x7

Arrow Web

3x3 4x4 4x4 5x5 5x4 5x5 5x5 4x4 5x5 5x5 6x6 5x7 6x6 6x6 7x7 6x6 8x8

Battenberg Painting

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

Cave

7x7 9x9 7x7 9x9 9x9 14x11 9x9 10x10 7x7 9x9 10x10 9x9 8x8 9x9 9x9 10x10 10x12 10x10 13x13 9x9 9x9 10x12 7x12 10x10

Choco Banana

9x9 6x7 9x9 8x10 8x10 10x10 8x8

Easy as Coral

4x4 4x4 5x5 5x5 5x5 6x6 7x7 7x7 8x8 7x7 7x7 7x7 7x7 7x7 7x7 7x7 7x7 6x6 9x10 10x10 9x9 9x9 8x8 9x11 8x8 9x9 8x8 13x9 7x7 9x9 9x9 8x8 10x10 7x7 9x9 9x9

Hexa Islands

5x5 5x5 5x5 5x5 5x5 5x5 5x5 5x5 5x5 5x5 5x5 5x5 5x5 5x5 5x5 5x5 5x5 5x5

Heyawake

6x6 10x10 6x6 8x8 10x10 8x8 8x8 7x7 6x6 9x9 10x10 7x7 10x10 7x11 10x10 10x10 6x8 15x15

Hitori

7x7 6x6 7x7 7x7 9x9 6x8 9x9 8x8 8x8 7x7 8x8 8x8 7x7 9x9 9x9 10x10 9x9 8x8 10x10 9x9 9x9 8x9 9x9 12x12

Kuromasu

8x8 7x7 6x6 8x8 8x8 7x8 10x10 9x9 8x8 5x6 6x8 6x6 10x10 14x14 10x10 7x7 16x16 11x11

Norinori

7x7 8x8 8x8 7x7 8x8 10x10 9x9 7x8 9x9 9x9 18x7 9x9 10x10 10x10 15x15

Nurikabe

5x5 6x7 6x6 8x8 10x10 9x9 9x9 8x8 9x9 10x10 10x11 10x10 10x10 9x9 10x10 10x10 10x10 9x9 10x10 9x9 9x9 10x10 10x10 10x10 20x20

Paint by Hex

2x2 3x3 3x3 3x3 5x4 3x3 4x5 4x4 4x3 4x4 6x5 5x5 4x4 5x5 4x5 5x5 4x4 5x5 5x5

Paint by Max

5x5 6x6 6x6 6x6 6x6 7x7 7x7 7x7 7x7 8x8 7x7 9x7 7x9 7x8 8x8 8x8 8x8 8x8 8x8 7x7 8x8 7x9 12x12 10x10 14x14 13x13 9x9

Tapa

6x6 8x8 7x7 9x9 8x11 10x10 7x7 9x9 10x10 10x10 8x10 9x9 10x10 10x10 10x10 10x10 9x9 10x10 10x10 11x11 10x10 10x10 12x12 9x9 10x10 10x10 10x10 10x10 10x12 10x10 9x9 10x10 9x9 10x10 10x10 12x12 8x8 10x10 10x10 10x10 10x10 8x8 10x10 10x10 11x11 10x10 10x10 10x10 10x10 10x10 12x12 10x10 10x10 12x12 10x10 10x10 17x17 11x11 10x10 15x15 10x10 9x9 15x14 12x12 18x18 22x22

Yin Yang

5x5 5x5 5x5 6x6 7x7 7x7 7x7 8x8 7x7 6x6 9x9 6x10 8x8 7x12 6x6 7x7 9x11 8x8 8x8 8x8 8x7 9x11 9x9 10x10 7x9 8x8 10x10 8x8 7x7 12x12 12x12 17x17
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