Sudoku apparatus

Apparatus for playing a game, comprising: a surface 4 bearing first indicia 8 defining an array of n(X x Y) areas 6 where n is an integer and X and Y are integers > 1, each area being divided by second indicia 12 into an array of n(X x Y) sub-areas 10 and each sub-area having means 14 to indicate which of X x Y possible symbols have not be eliminated for that sub-area by the player of the game. The apparatus is intended for use in solving Sudoku puzzles. The indicating means may be pegs which can be depressed into the board to indicate that a number has been eliminated (fig2).