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 (5,2).









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









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









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









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









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









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









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









For row 5, number 2 is only possible in cell (9,5)









For row 7, number 2 is only possible in cell (8,7)









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









For row 8, number 4 is only possible in cell (3,8)









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









For row 9, number 2 is only possible in cell (3,9)









For column 7, Number 4 is only possible in cell (7,2)









For column 7, Number 7 is only possible in cell (7,6)









For box 3, candidates for 8 are all in row 1, so you can remove candidates from other blocks.









For box 3, candidates for 5 are all in row 1, so you can remove candidates from other blocks.









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









For box 7, candidates for 5 are all in row 7, so you can remove candidates from other blocks.









For box 3, candidates for 7 are all in row 3, so you can remove candidates from other blocks.









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









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









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









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









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









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









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









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









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









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









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









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









Number 7 is the only value possible in cell (2,5).









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









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









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









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









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









Number 8 is the only value possible in cell (7,1).









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









Number 5 is the only value possible in cell (2,7).









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









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









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









Number 6 is the only value possible in cell (9,7).









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









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









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









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









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









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









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









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