Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.



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









Number 8 is the only value possible in cell (3,6).









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









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









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









For row 1, number 8 is only possible in cell (4,1)









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









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









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









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









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









For row 3, number 1 is only possible in cell (8,3)









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









For row 9, number 4 is only possible in cell (1,9)









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









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









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









Number 6 is the only value possible in cell (7,4).









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









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









For row 7, number 6 is only possible in cell (8,7)









For row 9, number 8 is only possible in cell (2,9)









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









For row 7, number 8 is only possible in cell (9,7)









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









For row 1, number 2 is only possible in cell (7,1)









For column 4, Number 5 is only possible in cell (4,3)









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









For column 5, Number 1 is only possible in cell (5,9)









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









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









For column 6, Number 3 is only possible in cell (6,7)









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









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









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









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









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









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









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









Number 3 is the only value possible in cell (8,1).









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









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









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









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









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









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









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









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









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









Number 5 is the only value possible in cell (8,6).









Number 3 is the only value possible in cell (1,8).









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