THIS RESPONSE IS FOR ...:
STAGE 1 | CLUE 1It is a Sudoku puzzle - each number cannot appear more than once in any straight line.
The solution is:
654 948 327
297 136 854
384 752 169
728 469 513
143 275 986
569 381 742
416 893 275
972 514 638
835 627 491
