Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




For row 7, number 9 is only possible in cell (1,7)









For row 2, number 7 is only possible in cell (4,2)









For row 2, number 8 is only possible in cell (8,2)









For row 4, number 7 is only possible in cell (7,4)









For row 6, number 7 is only possible in cell (1,6)









For box 5, Number 3 is only possible in cell (4,4)









For column 7, Number 1 is only possible in cell (7,3)









For box 3, candidates for 2 are all in column 9, so you can remove candidates from other blocks.









Naked Pair for 2 and 5, can remove these as candidates from other cells.









Hidden Pair for 4 and 9, can remove other candidates from these cells.









For row 3, number 5 is only possible in cell (9,3)









Number 1 is the only value possible in cell (9,4).









Number 4 is the only value possible in cell (9,5).









Number 2 is the only value possible in cell (8,5).









Number 1 is the only value possible in cell (5,5).









For column 1, Number 1 is only possible in cell (1,9)









For row 1, number 5 is only possible in cell (5,1)









For column 5, Number 8 is only possible in cell (5,7)









For column 9, Number 2 is only possible in cell (9,2)









For box 3, candidates for 3 are all in row 1, so you can remove candidates from other blocks.









For box 3, candidates for 6 are all in row 1, so you can remove candidates from other blocks.









For box 5, candidates for 2 are all in column 5, so you can remove candidates from other blocks.









For row 9, number 2 is only possible in cell (2,9)









Number 5 is the only value possible in cell (2,4).









Number 9 is the only value possible in cell (8,4).









Number 2 is the only value possible in cell (5,4).









Number 1 is the only value possible in cell (2,6).









Number 8 is the only value possible in cell (2,1).









Number 1 is the only value possible in cell (4,1).









Number 6 is the only value possible in cell (6,2).









Number 1 is the only value possible in cell (3,2).









Number 8 is the only value possible in cell (4,3).









Number 3 is the only value possible in cell (2,5).









Number 6 is the only value possible in cell (2,3).









Number 8 is the only value possible in cell (1,5).









Number 2 is the only value possible in cell (3,6).









Number 3 is the only value possible in cell (3,3).









Number 2 is the only value possible in cell (1,3).









Number 9 is the only value possible in cell (6,6).









Number 4 is the only value possible in cell (6,3).









Number 9 is the only value possible in cell (5,3).









Number 6 is the only value possible in cell (5,6).









Number 5 is the only value possible in cell (8,6).









Number 6 is the only value possible in cell (3,7).









Number 2 is the only value possible in cell (4,7).









Number 5 is the only value possible in cell (7,7).









Number 3 is the only value possible in cell (9,7).









Number 6 is the only value possible in cell (9,1).









Number 3 is the only value possible in cell (8,1).









Number 1 is the only value possible in cell (6,7).









Number 4 is the only value possible in cell (8,7).









Number 3 is the only value possible in cell (1,8).









Number 4 is the only value possible in cell (2,8).









Number 6 is the only value possible in cell (4,8).









Number 5 is the only value possible in cell (6,8).









Number 2 is the only value possible in cell (7,8).









Number 4 is the only value possible in cell (5,9).









Number 3 is the only value possible in cell (6,9).









Number 6 is the only value possible in cell (8,9).