Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.



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









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









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









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









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









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









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









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









For row 4, number 7 is only possible in cell (1,4)









For row 1, number 7 is only possible in cell (5,1)









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









For row 8, number 7 is only possible in cell (4,8)









For row 8, number 9 is only possible in cell (5,8)









For column 4, Number 9 is only possible in cell (4,2)









For column 7, Number 9 is only possible in cell (7,1)









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









For row 9, number 1 is only possible in cell (7,9)









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









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









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









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









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









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









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









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









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









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









Number 5 is the only value possible in cell (6,4).









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









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









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









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









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









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









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









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









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









Number 2 is the only value possible in cell (6,3).









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









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









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









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









Number 5 is the only value possible in cell (9,6).









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









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









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









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









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









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









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









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









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









Number 2 is the only value possible in cell (7,8).









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









Number 6 is the only value possible in cell (5,9).