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Start a fresh board? Your current progress is kept in your playthroughs list.
Standard 9x9 sudoku rules apply. Any two cells separated by a knight's move in chess cannot contain the same digit. Any two orthogonally adjacent cells cannot contain consecutive digits. Digits along a grey line must read the same forwards and backwards.
Parallel Knights
By addie
Standard 9x9 sudoku rules apply. Any two cells separated by a knight's move in chess cannot contain the same digit. Any two orthogonally adjacent cells cannot contain consecutive digits. Digits along a grey line must read the same forwards and backwards.