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 5, Number 1 is only possible in cell (5,5)









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









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









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









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









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









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









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









For row 9, number 4 is only possible in cell (3,9)









For row 9, number 3 is only possible in cell (1,9)









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









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









For row 3, number 3 is only possible in cell (7,3)









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









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









For blocks 3 and 6, candidates for 9 are all in the same two columns (7 and 9)









Naked Pair for 1 and 6, can remove these as candidates from other cells.









For box 7, candidates for 6 are all in row 8, so you can remove candidates from other blocks.









X-Wing in rows for 6.









Either candidate for cell (7,2) forces 9 into cell (7,4).









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









For column 7, Number 1 is only possible in cell (7,2)









Hidden Pair for 1 and 6, can remove other candidates from these cells.









Either candidate for cell (3,6) forces 1 into cell (1,4).









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









Either candidate for cell (8,6) forces 7 into cell (3,6).









Number 9 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 (2,7).









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









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









Number 8 is the only value possible in cell (9,2).









Number 4 is the only value possible in cell (6,2).









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









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









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









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









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









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









Number 6 is the only value possible in cell (7,5).









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









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









Number 1 is the only value possible in cell (8,6).









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









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









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









Number 1 is the only value possible in cell (9,7).









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









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









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









Number 1 is the only value possible in cell (4,8).









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









Number 7 is the only value possible in cell (5,9).









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









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