Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









Number 7 is the only value possible in cell (6,3).









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









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









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









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









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









Number 2 is the only value possible in cell (1,5).









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









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









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









Number 7 is the only value possible in cell (2,6).









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









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









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









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









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









Number 1 is the only value possible in cell (4,7).









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









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









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









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









For row 8, number 9 is only possible in cell (3,8)









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









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









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









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









For row 8, number 5 is only possible in cell (2,8)









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









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









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









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









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









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









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









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









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









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









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









Number 2 is the only value possible in cell (6,8).









Number 1 is the only value possible in cell (9,8).









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









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









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