Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









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









For column 7, Number 1 is only possible in cell (7,3)









For column 1, Number 6 is only possible in cell (1,9)









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









Candidates for 5 in boxes 1 and 7 force the candidates in box 4 to be in the remaining line.









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









Naked Pair for 4 and 5, can remove these as candidates from other cells.









X-Wing in rows for 9.









X-Wing in columns for 4.









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









For row 5, number 1 is only possible in cell (3,5)









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









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









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









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









Number 7 is the only value possible in cell (8,5).









For row 3, number 7 is only possible in cell (9,3)









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









For row 2, number 6 is only possible in cell (3,2)









For row 3, number 6 is only possible in cell (8,3)









For row 2, number 3 is only possible in cell (4,2)









For row 4, number 3 is only possible in cell (5,4)









For column 8, Number 3 is only possible in cell (8,1)









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









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









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









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









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









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









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









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









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









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









Number 5 is the only value possible in cell (2,3).









Number 2 is the only value possible in cell (5,3).









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









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









Number 2 is the only value possible in cell (9,4).









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









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









Number 8 is the only value possible in cell (4,6).









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









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









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









Number 8 is the only value possible in cell (3,7).









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









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









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









Number 5 is the only value possible in cell (8,7).









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









Number 4 is the only value possible in cell (6,8).









Number 9 is the only value possible in cell (7,8).









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









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









Number 8 is the only value possible in cell (5,9).