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 1, number 2 is only possible in cell (6,1)









For row 7, number 3 is only possible in cell (4,7)









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









For row 4, number 9 is only possible in cell (2,4)









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









For box 8, candidates for 1 are all in column 4, so you can remove candidates from other blocks.









Candidates for 4 in boxes 4 and 5 force the candidates in box 6 to be in the remaining line.









Naked Pair for 6 and 7, can remove these as candidates from other cells.









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









Hidden Pair for 2 and 7, can remove other candidates from these cells.









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









For box 9, Number 5 is only possible in cell (9,7)









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









For column 9, Number 4 is only possible in cell (9,2)









Hidden Pair for 4 and 7, can remove other candidates from these cells.









X-Wing in rows for 3.









Either candidate for cell (2,1) forces 6 into cell (9,1).









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









Candidates for 1 in boxes 2 and 3 force the candidates in box 1 to be in the remaining line.









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









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









Either candidate for cell (2,1) forces 9 into cell (1,1).









Number 3 is the only value possible in cell (7,1).









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









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









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









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









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









For row 6, number 3 is only possible in cell (3,6)









For row 6, number 2 is only possible in cell (8,6)









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









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









Number 5 is the only value possible in cell (8,4).









Number 2 is the only value possible in cell (3,4).









Number 6 is the only value possible in cell (5,4).









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









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









Number 4 is the only value possible in cell (6,5).









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









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









Number 8 is the only value possible in cell (2,6).









Number 4 is the only value possible in cell (1,6).









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









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









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









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









Number 1 is the only value possible in cell (5,3).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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