Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









Number 4 is the only value possible in cell (5,3).









Number 9 is the only value possible in cell (5,2).









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









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









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









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









For row 1, number 8 is only possible in cell (9,1)









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









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









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









For row 5, number 6 is only possible in cell (3,5)









For row 9, number 6 is only possible in cell (8,9)









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









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









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









For row 7, number 5 is only possible in cell (2,7)









For row 4, number 5 is only possible in cell (6,4)









For row 4, number 2 is only possible in cell (7,4)









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









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









Either candidate for cell (7,3) forces 2 into cell (1,3).









For row 8, number 2 is only possible in cell (3,8)









Either candidate for cell (3,3) forces 9 into cell (7,9).









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









Number 3 is the only value possible in cell (9,7).









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









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









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









Number 3 is the only value possible in cell (2,9).









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









For row 1, number 4 is only possible in cell (2,1)









For row 2, number 4 is only possible in cell (7,2)









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









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









X-Wing in columns for 7.









X-Wing in rows for 3.









Either candidate for cell (8,1) forces 7 into cell (4,2).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 7 is the only value possible in cell (8,6).









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









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