ABC Box
ABCD Knot
ABCD Order
Arithmetical Puzzle
-Addoku
-Difference Puzzle
--Sudoku with Differences
---Bossdoku
---Pencil Sudoku
---Sudoku with Forbidden Differences
----Consecutive Sudoku
-Sudoku Chain
--Sudoku Net
-Pyramid
-Which is the biggest?
-Tenner Grid
Up and Down
Flowers
Bossa Nova
As Easy As ABC
As Easy As ABC Variants
-Not As Easy As ABC
--As Easy As Minesweeper
-As Easy As Sudoku
-Disallowed As Easy As ABC
Double Block
3D
Triangular
One or All
Coloring Puzzle
-Fish Tanks
-Colorful Borders
-Liar Neighbours
-Pastel Garden
-Yonbun
Fillomino
Fillomino Variants
-Bossomino
--Fillomino Skyscraper
Hexagonal
-Takumi
Hitori
Interactive
Killer
-Algebrac Sudoku
--Hexagonal Killer
-Kakuro
-Killer With Unknown Sums
--Lettered Sudoku
--Wrong Killer
--Killer <=>
--KiMo
--KiMo 2
--KiMo 7
--Neighbouring Sudoku
--Sum Search Killer
-Zero Killer
-Overkiller
-Pandigital Killer
--Pandigital Sudoku
--Pandigitales Summen-oder-Produkt-Pfeil-Sudoku
--Arrow Sudoku
--Sum Box Sudoku
--Sum Line Sudoku
-Product Sudoku
--Multiplication Table
--Product Arrow Sudoku
--Cell Groups Product Sudoku
---Frame Product Sudoku
---Sudoku with End Product
-Sudoku with Magic Squares
--Trid
-Cell Groups Killer
--Frame Sudoku
-Dissection Killer
--Blind Killer
--Daisho Killer
--Naked Killer
--Psycho Killer
--Retro Killer
Under-Pair Numbers
Circular
Latin Square
-Checksum
-Futoshiki
--Latin Inequality Squares
-Kropki
--Overkropki
--Skykropki
-Magic Square
-Navigator
--Navigator Sudoku
--Navigator Skyscraper
-Pair Pair Box Number Place
--Pair Pair Box Skyscraper
-Renban
--Renban Skyscraper
-Brick Sudoku
-Skyscraper
-Skyscraper Variants
--Touchless Skyscraper
--Difference Skyscraper
--Even Odd Skyscraper
--Greater Less Skyscraper
--Product Skyscraper
-Ripple Effect Skyscraper
--Sum Skyscraper
--Sum Search Skyscraper
--Disallowed Skyscraper
--Hidden Skyscraper
--Skyscraper KiMo 2
--Skyscraper with mixed informations
--Skyscraper with parks
--Non-consecutive Skyscraper
-Sykscraper Sudoku
--Sudoku with Hidden Skyscraper
--Skyscraper Hanidoku
-Number Chain
Magic Alquerque
Placement Puzzle
-Battleships
-Battleships Variants
--At The Right Place
---Battleships Sudoku
----Mini Fleet Sudoku
--Diagonal Battleships
--Confused Battleships
---Lighthouse Battleships
--Minesweeper Battleships
---Tank Search
--Squared Battleships
--Submarines
--T it up
--Subset Battleships
--Tetris Battleships
--Crowded Battleships
--Wildcard Battleships
--Battledice
--Number Ships
-Doro
-Color Square
-Gardens
-Color War
-Minesweeper
-Minesweeper Variants
--Knightsweeper
--Circular Minefield
--Lighthouses
--Magic Minesweeper
--Hungarian Minesweeper
-Invisible Snake
-Stardust
--Stardust Sudoku
Puzzles
Puzzle Portal
Ripple Effect
Chess Puzzle
Sudoku
Sudoku Variants
-Diagonal Sudoku
--Argyle Sudoku
--Bi-Diagonal Sudoku
--Isosudoku
--Parallel Sudoku
--Sudoku X
-3D Sudoku Variants
--Pentagramm Sudoku
--Sudoku Cubes
---4x4x4 Square
---4x4x4 Sudoku
---5x5x5-Quadrat
-Triangular Sudoku Variants
-Figure Sudoku
-Big Sudoku Variants
-Hexagonal Sudoku Variants
--Hanidoku
--Septoku
--Diary Sudoku
-Jigsaw Sudoku
--Colour Sudoku
--Toroidal Sudoku
--Cylindrical Sudoku
-Small Sudoku Variants
--Logi-5
--Magic Pentominoes
--Rokudoku
---Jigsaw Rokudoku
--Shidoku
-Combined Sudoku
--Smash Sudoku
-Circular Sudoku Variants
--Circular Diagonal Sudoku
-Mechanical Sudoku
--Puzzle Sudoku
--Sliding Sudoku
-Offset Sudoku
-Pool Sudoku
--Bagua Sudoku
--Equal Value Sudoku
---Anti Diagonal Sudoku
-Pseudoku
--Pseudo Killer
--Sudoku 37
-Sight Sudoku
-Sudoku <=>
--Last Number Sudoku
--Fortress Sudoku
--Min Max Quad Sudoku
--Creasing Sudoku
-Sudoku with restricted values in some cells
--Digital Sudoku
--Even Odd Sudoku
--Outside Sudoku
--S for Sudoku
--Sudoku 147
--Demarcated Sudoku
--Sukaku
--Pips Sudoku
-Sudoku with Shared Cells
--0-9 Sudoku
--Millars Two-Doku
--Tangram Sudoku
-Sudoku with equal cells
--Equality Sudoku
--Sudoku with equal regions
-Sudoku with Multiple Grids
--Sudoku with Overlapping Grids
---Polyomino Sudoku
---Twodoku
--Twin Sudoku
-Sudoku with Chess Theme
--Horsudoku
--Black Knight Sudoku
-Sudoku with an Unusual Form
--Sudoku Star
-Sudoku with Repitition
--Sudoku 007
--Tricky Sudoku
-Sudoku with combined cells
-Sudoku with Additional Constraints for Cell Pairs
--Touchless Sudoku
--Jing Sudoku
--Kropki Sudoku
--Sudoku Pairs
--Ratio Sudoku
-Sudoku with Additional Groups
--Wheel Sudoku
--Sudoku with Unknown Groups
--Quadruple Clue Sudoku
-Sudoku with Additional Regions
--Asterisk Sudoku
--Girandola Sudoku
--Centerdot Sudoku
--Windoku
-Sudoku with bigger number sets
-Sudoku Corrections
-Sudoku Variants with Special Arrows
--One is Equal Sudoku
--Arrow Path Sudoku
--Sudoku with Hidden Smaller Numbers
--Sudoku with Hidden Different Numbers
--Sudoku with Hidden Last Digit
--Don't Arrow Sudoku
-Sudoku Variants with Unused Cells
-Word Sudoku
--Codedoku
--Wordoku
--Word Search Sudoku
Subsets
Topological Puzzles
-Fishman
-Arrow Path
-Fences Variants
-Snakes
-Hidden Snake
-Worms
-Alternate Corners
Toroidal
Tousa
Don't Arrows
Honeycomb Puzzle
-Honeycomb Flowers
Total Rising
Christmas
Number Block
Magic Spiral
Dissection Puzzle
-Anfitto
-Daisho
-Domino Dissection
-Address Number
-Kinshi
-Rekuto
-Side Dissection
-Shikaku
Cylindrical

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