Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.



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









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









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









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









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









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









For row 2, number 9 is only possible in cell (4,2)









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









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









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









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









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









Number 2 is the only value possible in cell (9,7).









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









Number 7 is the only value possible in cell (8,9).









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









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









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









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









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









For row 4, number 6 is only possible in cell (1,4)









For row 2, number 1 is only possible in cell (6,2)









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









Number 1 is the only value possible in cell (2,7).









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









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









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









For column 1, Number 7 is only possible in cell (1,8)









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









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









Number 5 is the only value possible in cell (6,8).









Number 1 is the only value possible in cell (4,8).









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









For column 2, Number 3 is only possible in cell (2,1)









Either candidate for cell (8,4) forces 4 into cell (4,6).









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









Number 4 is the only value possible in cell (8,1).









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









Number 5 is the only value possible in cell (9,2).









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









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









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









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









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









Number 3 is the only value possible in cell (6,4).









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









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









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









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









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









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









Number 2 is the only value possible in cell (5,9).









Number 4 is the only value possible in cell (6,9).