Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









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









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









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









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









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









For row 3, number 4 is only possible in cell (5,3)









For column 5, Number 5 is only possible in cell (5,1)









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









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









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









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









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









Number 3 is the only value possible in cell (4,5).









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









For box 3, Number 3 is only possible in cell (9,1)









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









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









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









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









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









For row 4, number 3 is only possible in cell (2,4)









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









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









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









For row 9, number 8 is only possible in cell (5,9)









For blocks 7 and 8, candidates for 9 are all in the same two rows (8 and 9)









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









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









Number 6 is the only value possible in cell (5,4).









For row 7, number 6 is only possible in cell (3,7)









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









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









Number 7 is the only value possible in cell (6,4).









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









Number 4 is the only value possible in cell (6,5).









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









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









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









Number 7 is the only value possible in cell (9,5).









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









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









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









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









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









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









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









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









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









Number 9 is the only value possible in cell (5,6).









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









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









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









Number 4 is the only value possible in cell (7,9).









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