Artigos
Guias e listas escritos a partir do nosso próprio catálogo.
Sandwich Sudoku
Play Sandwich Sudoku free online. Standard Sudoku rules plus outside clues: each number gives the sum of the digits strictly between the 1 and…
Anti-Knight Sudoku
Play Anti-Knight Sudoku free online. Standard Sudoku plus the knight-move rule: no two cells a knight's move apart (an L-shape of 2+1 squares, like…
Arrow Sudoku
Play Arrow Sudoku free online. Solve 27 sum-path puzzles where each circled digit equals the sum of the digits along its arrow. Beginner to…
Greater-Than Sudoku
Play Greater-Than Sudoku free online. Standard Sudoku plus greater-than and less-than signs between adjacent cells: the open jaw of each sign points toward the…
Odd-Even Sudoku
Play Odd-Even Sudoku free online. Solve 27 parity puzzles where cells with markers must hold odd or even digits. Beginner to Master tiers.