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









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









For row 8, number 5 is only possible in cell (1,8)









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









For box 3, Number 5 is only possible in cell (8,3)









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









For box 5, Number 2 is only possible in cell (6,6)









For box 7, Number 2 is only possible in cell (2,7)









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









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









For row 5, number 6 is only possible in cell (7,5)









For row 7, number 4 is only possible in cell (6,7)









For box 8, Number 3 is only possible in cell (4,7)









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









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









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









For column 8, Number 1 is only possible in cell (8,6)









For column 5, Number 4 is only possible in cell (5,2)









Number 5 is the only value possible in cell (3,2).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 7 is the only value possible in cell (2,5).









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









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









Number 6 is the only value possible in cell (4,1).









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









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









Number 8 is the only value possible in cell (1,6).









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









Number 7 is the only value possible in cell (9,6).









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









Number 7 is the only value possible in cell (5,8).









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









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









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









Number 2 is the only value possible in cell (9,1).









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









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









Number 1 is the only value possible in cell (3,9).









Number 3 is the only value possible in cell (8,9).









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