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 3, number 9 is only possible in cell (6,3)









For row 4, number 9 is only possible in cell (8,4)









For row 7, number 9 is only possible in cell (2,7)









For box 5, Number 8 is only possible in cell (4,6)









For column 2, Number 8 is only possible in cell (2,5)









For column 6, Number 7 is only possible in cell (6,1)









For row 8, number 6 is only possible in cell (5,8)









For row 7, number 6 is only possible in cell (3,7)









For row 9, number 5 is only possible in cell (4,9)









For row 1, number 2 is only possible in cell (9,1)









For row 3, number 2 is only possible in cell (5,3)









For row 5, number 2 is only possible in cell (3,5)









For row 7, number 2 is only possible in cell (6,7)









For row 7, number 8 is only possible in cell (1,7)









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









For column 2, Number 4 is only possible in cell (2,6)









For box 5, candidates for 4 are all in row 4, so you can remove candidates from other blocks.









For box 8, candidates for 3 are all in row 7, so you can remove candidates from other blocks.









For box 9, candidates for 3 are all in row 8, so you can remove candidates from other blocks.









Candidates for 1 in boxes 4 and 7 force the candidates in box 1 to be in the remaining line.









X-Wing in rows for 7.









For row 7, number 7 is only possible in cell (8,7)









X-Wing in columns for 1.









Either candidate for cell (7,6) forces 4 into cell (5,4).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 5 is the only value possible in cell (8,3).









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









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









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









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









Number 1 is the only value possible in cell (7,8).









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









Number 3 is the only value possible in cell (1,9).









Number 1 is the only value possible in cell (3,9).









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