Each Doctor can only appear one time in each row, column and 3x3 square. The Doctor Who SuDocWho game is a Sudoku game with nine Doctors. The same rules apply as in a normal Sudoku game. Instead of nine numbers nine Doctors can be added. Completing the puzzle reveals the next doctor.

Each Doctor can only appear one time in each row, column and 3x3 square. The Doctor Who SuDocWho game is a Sudoku game with nine Doctors. The same rules apply as in a normal Sudoku game. Instead of nine numbers nine Doctors can be added. Completing the puzzle reveals the next doctor.