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 (8,3).









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









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









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









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









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









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









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









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









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









For row 1, number 2 is only possible in cell (5,1)









For column 9, Number 1 is only possible in cell (9,8)









For row 6, number 5 is only possible in cell (3,6)









For row 8, number 5 is only possible in cell (6,8)









For row 8, number 7 is only possible in cell (5,8)









For row 2, number 7 is only possible in cell (6,2)









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









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









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









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









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









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









For column 4, Number 6 is only possible in cell (4,3)









For box 4, candidates for 9 are all in column 1, so you can remove candidates from other blocks.









For box 1, candidates for 3 are all in column 3, so you can remove candidates from other blocks.









For box 5, candidates for 3 are all in column 5, so you can remove candidates from other blocks.









Number 9 is the only value possible in cell (5,3).









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









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









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









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









Number 8 is the only value possible in cell (1,2).









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









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









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









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









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









Number 7 is the only value possible in cell (1,6).









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









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









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









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









Number 1 is the only value possible in cell (6,7).









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









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









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









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









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









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









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









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









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









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









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









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