Puzzles by type

Author: Andrey Bogdanov

Antidiagonal Sudoku

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

Antiknight Sudoku

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

Blackout Sudoku

6x6 9x9 9x9

Citywalk Sudoku

9x9 9x9

Consecutive Sudoku

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

Diagonal Sudoku

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

Difference Sudoku

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

Double Sudoku

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

Even/Odd Sudoku

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

Fortress Sudoku

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

Irregular Sudoku

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

No Touch Sudoku

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

Numbered Rooms Sudoku

9x9 9x9

Odd Sudoku

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

Odd-Even-Big-Small

8x8 8x8 8x8 8x8 8x8

Pair Sum Sudoku

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

Perfect Square Sudoku

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

Self-joint Sudoku

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

Skyscrapers Sudoku

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

Sudoku

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

Sudoku Extra Regions

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

X Sums Sudoku

6x6 6x6 6x6 8x8

Double Block

6x6 6x6 7x7 7x7 7x7 7x7 8x8

Easy as ABC

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

Exclusive Skyscrapers

5x5 6x6

Fuzuli

5x5 6x6 6x6

Gapped Skyscrapers

4x4 5x5 5x5 5x5 5x5 6x6 6x6

Kropki

6x6 8x8 6x6 6x6 7x7 8x8 7x7 16x16

Magic Snail

5x5 5x5 6x6 6x6 6x6 6x6 5x5 6x6 7x7 11x11

Product Latin Square

5x5 5x5 5x5 6x6 5x5 5x5 6x6 6x6 7x7

Product Skyscrapers

5x5 5x5 5x5 5x5 5x5 5x5 6x6

Skyscrapers

5x5 5x5 5x5 5x5 5x5 6x6 6x6 6x6 6x6 6x6 6x6 6x6 6x6 5x5 6x6 6x6

Summed Skyscrapers

5x5 5x5 5x5 5x5 5x5 5x5 6x6 6x6

Top Heavy Number Place

6x6 6x6 6x6 7x7 6x6 6x6 7x7 6x6 7x7 7x7 7x7 8x8 9x9 11x11

Chaos

7x7 6x6 6x6 6x6 8x8 13x13

Nanro

8x8 9x9 9x9 10x10 20x20

No Touch Sums

7x7 7x7 7x7 9x9 9x8 9x9 9x8 8x8 9x9 8x8 15x15

Product Kuromasu

7x7 7x7 7x7 7x7 8x8 7x7 8x8 8x8 7x7 8x8

Ripple Effect

6x6 7x7 7x7 8x8 13x13

Suguru

6x6 5x5 7x6 7x7 7x7 8x8 10x10

Akari

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

Battleships

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

Battleships Minesweeper

9x9 9x9 9x9 11x10 9x9

Clouds

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

Domino Castle with Sums

8x6 8x6 9x6 13x6 8x8 8x6 10x9 10x8 10x7 10x8 14x13

Gaps

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

Hexa Minesweeper

4x4 4x4 5x4 5x4 4x4 4x4 5x5 6x5 5x5 9x9

Knight Battleships

7x7 8x8 11x13 8x8 9x9 9x9

Lighthouses

8x8 9x9 9x9 9x9 9x9 11x11

Minesweeper

8x8 9x9 9x9 7x7 8x8 9x9 9x9 9x9

No Four in a Row

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

Point a Star

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

Queens

5x5 5x5 6x6 5x5 6x6 6x6 6x6 6x6 6x6 6x6 6x6 13x13

Star Battle

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

Star Battle (Small Regions)

9x9 9x9 9x9 10x10 9x9 10x10 9x9 10x10 9x9 9x9 18x18

Tents

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

Hungarian Pentomino

10x10 12x12 10x10 12x12 12x12

Inverse LITS

8x8 9x9 10x10 10x10

LITS

8x8 9x9 12x8 11x11

LITS+

10x10 8x8 8x8 9x9 11x11

Pentomino

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

Pentomino Division

10x10 8x10 10x10 10x8 10x10 15x15 10x10

Pentomino Fences

9x9 12x12 12x12 12x12 12x12 12x12

SLICY

5x5 6x5

Tetroscope

9x7 10x7 10x7 8x8 9x7 9x7 10x7

Touching Pentomino

8x7 11x11 11x11 11x11 12x10

Alternate Loop

4x4 6x6 6x6 8x8 8x8 8x8 8x9 9x8 8x8 10x10

Chat Room

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

Country Road

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

Double Back

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

Even/Odd Fence

4x4 5x5 7x7

Every Second Straight

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

Every Second Turn

6x6 10x8 10x10 10x10 10x10

Fences/Slitherlink

4x4 5x5 6x6 7x7 7x7 9x9 9x9 10x10

Four Winds

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

Hexa Fences

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

Inturnal

7x7 9x9 9x9 9x9 9x9 19x19

Knapp Daneben Slitherlink

5x5 7x7 5x5

Kuroshiro

8x8 9x9

Loop and Bounds

8x8 8x8 9x8 8x8 8x8 16x16

Masyu

8x8 8x8 9x9 9x9 9x9 12x10

Maxi Loop

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

Minesweeper Loop

7x7 9x9 9x9 9x9 9x9 9x9 10x10 11x11 16x16

Polygraph

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

Railroad

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

Ring Ring

9x9 10x10 13x13

Russian Loop

6x6 9x8 9x8 10x9 8x8

Shortest Segment

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

Simple Loop

7x7 10x10 11x11 10x11 12x12

Turning Fences

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

Belarusian Snake

8x8 9x9

Dutch Snake

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

Maxi Snake

6x6 7x7 7x7 8x8 8x8 9x9 9x9 9x9 9x9 9x9 9x9 9x9 11x11 17x17

Passage

8x8 10x10 8x8 9x9 9x9 9x9 10x10 12x10 10x10

Snake

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

Snakescope

6x6 7x7 8x8 8x8 9x9 8x8 9x9 11x9 9x9 9x9 18x18

Aqre

7x6 8x8 8x8

Aquapelago

7x7 10x10

Aquarium

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

Arrow Web

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

Battenberg Painting

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

Cave

7x7 9x9 9x9 9x9 9x9 9x9 9x9 9x9

Choco Banana

9x9 6x7 10x10

Easy as Coral

8x8 7x7 9x9 8x8 9x9 8x8 7x7

Hexa Islands

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

Heyawake

6x6 8x8

Hitori

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

Kuromasu

8x8 8x8 8x8 9x9 8x8 16x16 11x11

Norinori

7x7 8x8 8x8 9x9 9x9 9x9 9x9

Nurikabe

8x8 9x9 8x8 9x9 10x10 9x9 20x20

Paint by Hex

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

Paint by Max

5x5 6x6 6x6 7x7 7x7 8x8 8x8 8x8 10x10 9x9

Tapa

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

Yin Yang

5x5 5x5 6x6 5x5 7x7 8x8 6x6 8x8 8x7 8x8 12x12 17x17

ABC Division

8x5 7x7 8x8 10x7 8x9 10x6 9x9

Araf

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

Black and white

6x6 8x8 10x10

Consecutive Double Choco

6x6 8x8

Domino Hunt

6x5 7x6 7x6 7x6 7x6 8x8

Double Choco

6x6 6x6

Double Choco No Touch

6x6 8x8 10x10

Fillomino

8x8 9x9

Fo-(Faibu-)seruzu

6x6 6x6 6x6 10x8 8x8 6x6 8x8 8x8 10x10 10x10 10x8 8x8 10x8 10x10 18x15 10x10

Inverse Double Choco

6x6 10x10 8x9

Kaitoramma

7x7 9x9

L-shapes

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

Neighbor Areas

7x7 6x6 6x6 6x6 6x6 9x5 8x6 6x6 9x9 8x8 8x8

Shikaku

8x8 9x9 11x11

Slash Pack

5x5 6x6 8x8 9x9 9x9 10x10 18x18

Spiral Galaxies

7x6 8x8 8x8 9x9 8x8 9x9 10x10 9x9 10x10

Squares and Rectangles

5x5

Slalom/Gokigen Naname

7x7 7x7 8x8 9x9 8x8 9x9 9x9
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