Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









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









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









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









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









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









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









For row 5, number 8 is only possible in cell (4,5)









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









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









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









For column 1, Number 9 is only possible in cell (1,2)









For box 2, Number 9 is only possible in cell (5,1)









For box 5, Number 6 is only possible in cell (4,4)









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









For row 5, number 2 is only possible in cell (1,5)









For row 5, number 1 is only possible in cell (9,5)









For row 8, number 4 is only possible in cell (2,8)









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









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









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









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









For column 6, Number 9 is only possible in cell (6,7)









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









For row 6, number 5 is only possible in cell (8,6)









For row 1, number 5 is only possible in cell (4,1)









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









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









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









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









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









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









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









Number 1 is the only value possible in cell (7,8).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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