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 (4,1).









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









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









Number 9 is the only value possible in cell (6,8).









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









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









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









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









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









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









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









For row 3, number 8 is only possible in cell (7,3)









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









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









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









For row 6, number 7 is only possible in cell (9,6)









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









For box 2, Number 6 is only possible in cell (4,2)









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









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









Number 4 is the only value possible in cell (6,2).









Number 5 is the only value possible in cell (8,2).









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









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









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









Number 2 is the only value possible in cell (8,5).









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









Number 4 is the only value possible in cell (1,5).









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









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









Number 5 is the only value possible in cell (1,7).









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









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









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









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









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









Number 5 is the only value possible in cell (2,6).









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









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









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









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









Number 5 is the only value possible in cell (4,8).









Number 3 is the only value possible in cell (7,8).









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