Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









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









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









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









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









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









For row 3, number 9 is only possible in cell (1,3)









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









For row 1, number 6 is only possible in cell (5,1)









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









For row 7, number 6 is only possible in cell (1,7)









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









For column 2, Number 7 is only possible in cell (2,8)









For row 4, number 5 is only possible in cell (6,4)









For row 7, number 5 is only possible in cell (9,7)









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









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









For row 8, number 4 is only possible in cell (6,8)









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









For row 3, number 1 is only possible in cell (4,3)









For row 9, number 1 is only possible in cell (5,9)









For row 1, number 5 is only possible in cell (4,1)









For row 3, number 5 is only possible in cell (8,3)









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









For box 3, candidates for 8 are all in column 9, so you can remove candidates from other blocks.









For box 2, candidates for 7 are all in column 6, so you can remove candidates from other blocks.









For row 9, number 7 is only possible in cell (4,9)









For row 9, number 2 is only possible in cell (1,9)









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









Number 4 is the only value possible in cell (2,1).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 8 is the only value possible in cell (7,4).









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









Number 7 is the only value possible in cell (5,4).









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









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