Here are the possible solutions for paper puzzle usually involving a 9x9 grid 2004 clue
Answer
Clue
Relevancy
sudoku
Clue
Paper puzzle usually involving a 9x9 grid (2004)
Puzzle with a 9x9 grid, often
Numerical puzzle with a 9x9 grid
9x9 number puzzle
four
Clue
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
