Case files · Variant sudoku
Solving mysteries, one grid at a time.
Hand-picked variant sudoku from the world's best setters, rated by how a human actually solves them.
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CASE 040 · CLASSIC
[Puzzle title]
by [Setter] · via Missing Deck
Normal sudoku rules. Place 1 to 9 once in every row, column and box.
CASE 041 · KILLER
[Puzzle title]
by [Setter] · via Missing Deck
Digits in a cage sum to its clue and never repeat within the cage.
CASE 042 · THERMO
[Puzzle title]
by [Setter] · via Missing Deck
Digits along a thermometer strictly increase from the bulb.
CASE 043 · ARROW
[Puzzle title]
by [Setter] · via Missing Deck
Digits along an arrow sum to the digit in its circle.
CASE 044 · ANTI-KNIGHT
[Puzzle title]
by [Setter] · via Missing Deck
Cells a chess knight’s move apart never share a digit.
CASE 045 · FOG
[Puzzle title]
by [Setter] · via Missing Deck
The grid starts hidden. Correct digits lift the fog around them.
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