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 6, number 5 is only possible in cell (2,6)









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









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









For column 1, Number 6 is only possible in cell (1,4)









For box 7, Number 7 is only possible in cell (3,9)









Number 3 is the only value possible in cell (8,9).









For column 3, Number 2 is only possible in cell (3,8)









For row 8, number 3 is only possible in cell (5,8)









For column 5, Number 4 is only possible in cell (5,6)









For box 8, Number 8 is only possible in cell (6,7)









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









For column 6, Number 4 is only possible in cell (6,3)









For box 4, candidates for 1 are all in column 3, so you can remove candidates from other blocks.









For box 9, candidates for 6 are all in column 9, so you can remove candidates from other blocks.









For box 7, candidates for 9 are all in column 1, so you can remove candidates from other blocks.









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









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









Naked Pair for 6 and 9, can remove these as candidates from other cells.









Naked Pair for 7 and 9, can remove these as candidates from other cells.









For column 6, Number 9 is only possible in cell (6,2)









Number 8 is the only value possible in cell (3,2).









Number 7 is the only value possible in cell (2,1).









Number 9 is the only value possible in cell (2,3).









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









For row 1, number 8 is only possible in cell (5,1)









For row 6, number 8 is only possible in cell (9,6)









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









Number 7 is the only value possible in cell (9,2).









Number 6 is the only value possible in cell (5,2).









Number 5 is the only value possible in cell (6,1).









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









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









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









Number 1 is the only value possible in cell (7,2).









Number 5 is the only value possible in cell (1,2).









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









Number 7 is the only value possible in cell (4,3).









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









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









Number 7 is the only value possible in cell (5,4).









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









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









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









Number 6 is the only value possible in cell (4,7).









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









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









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









Number 1 is the only value possible in cell (3,4).









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









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









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









Number 3 is the only value possible in cell (7,5).









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









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









Number 4 is the only value possible in cell (1,7).









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









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









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









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









Number 2 is the only value possible in cell (6,9).









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