Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




For column 6, Number 3 is only possible in cell (6,8)









For column 6, Number 2 is only possible in cell (6,2)









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









For column 9, Number 8 is only possible in cell (9,8)









For column 3, Number 8 is only possible in cell (3,7)









For column 8, Number 8 is only possible in cell (8,1)









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









For box 3, Number 5 is only possible in cell (9,3)









For column 4, Number 5 is only possible in cell (4,2)









For row 2, number 7 is only possible in cell (5,2)









For column 4, Number 7 is only possible in cell (4,8)









For column 9, Number 2 is only possible in cell (9,5)









For box 7, candidates for 7 are all in row 9, so you can remove candidates from other blocks.









For box 5, candidates for 9 are all in row 5, so you can remove candidates from other blocks.









For box 5, candidates for 6 are all in row 5, so you can remove candidates from other blocks.









For column 8, Number 6 is only possible in cell (8,4)









Number 9 is the only value possible in cell (7,4).









Number 4 is the only value possible in cell (9,6).









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









For row 6, number 9 is only possible in cell (2,6)









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









Naked Pair for 1 and 7, can remove these as candidates from other cells.









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









Number 6 is the only value possible in cell (3,8).









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









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









Number 1 is the only value possible in cell (3,6).









Number 7 is the only value possible in cell (2,5).









Number 1 is the only value possible in cell (7,5).









Number 7 is the only value possible in cell (8,6).









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









Number 9 is the only value possible in cell (6,7).









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









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









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









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









Number 5 is the only value possible in cell (2,9).









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









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









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









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









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









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









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









Number 9 is the only value possible in cell (5,1).









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









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









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









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









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









Number 2 is the only value possible in cell (7,3).









Number 5 is the only value possible in cell (1,4).









Number 4 is the only value possible in cell (1,5).









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









Number 6 is the only value possible in cell (5,9).









Number 4 is the only value possible in cell (6,9).









Number 1 is the only value possible in cell (8,9).