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 2, Number 9 is only possible in cell (2,9)









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









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









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









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









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









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









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









For row 7, number 1 is only possible in cell (3,7)









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









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









For row 5, number 8 is only possible in cell (7,5)









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









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









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









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









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









For row 3, number 1 is only possible in cell (4,3)









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









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









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









For row 1, number 6 is only possible in cell (4,1)









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









Naked Pair for 5 and 7, can remove these as candidates from other cells.









X-Wing in rows for 5.









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









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









Number 7 is the only value possible in cell (5,1).









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









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









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









Number 6 is the only value possible in cell (3,5).









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









Number 2 is the only value possible in cell (1,4).









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









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









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









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









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









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









Number 3 is the only value possible in cell (9,4).









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









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









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









Number 9 is the only value possible in cell (8,4).









Number 1 is the only value possible in cell (2,6).









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









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









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









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









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









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









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









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









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