Start a fresh board? Your current progress is kept in your playthroughs list.
Normal Sudoku Rules Apply: Fill the 9x9 grid so that each row, column, and 3x3 subgrid contains 1-9 exactly once. Anti-Knight Constraint: No two identical digits can be a knight's move apart (like in chess, 2x1 L-shape) Negative XV Constraint: No orthogonally adjacent cells can add up to 5 or 10 German Whisper: Adjacent digits along the green line differ by at least 5. Arrows: Digits along each arrow sum to the digit in the attached circle. Killer Cage: Digits in a cage must sum to the clue.
Attacked by two invisible forces
By Alan.S
Normal Sudoku Rules Apply: Fill the 9x9 grid so that each row, column, and 3x3 subgrid contains 1-9 exactly once. Anti-Knight Constraint: No two identical digits can be a knight's move apart (like in chess, 2x1 L-shape) Negative XV Constraint: No orthogonally adjacent cells can add up to 5 or 10 German Whisper: Adjacent digits along the green line differ by at least 5. Arrows: Digits along each arrow sum to the digit in the attached circle. Killer Cage: Digits in a cage must sum to the clue.