Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




For row 3, number 5 is only possible in cell (7,3)









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









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









For row 5, number 1 is only possible in cell (3,5)









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









For row 8, number 1 is only possible in cell (4,8)









For row 7, number 1 is only possible in cell (9,7)









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









For column 5, Number 3 is only possible in cell (5,6)









For box 7, Number 3 is only possible in cell (3,8)









For box 8, Number 2 is only possible in cell (5,8)









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









For box 5, candidates for 9 are all in row 4, so you can remove candidates from other blocks.









For box 7, candidates for 9 are all in row 7, so you can remove candidates from other blocks.









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









For box 2, candidates for 4 are all in row 1, so you can remove candidates from other blocks.









For box 4, candidates for 8 are all in row 4, so you can remove candidates from other blocks.









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









For box 5, candidates for 7 are all in row 4, so you can remove candidates from other blocks.









Number 8 is the only value possible in cell (2,4).









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









For column 3, Number 8 is only possible in cell (3,3)









For column 9, Number 7 is only possible in cell (9,5)









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









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









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









For row 6, number 9 is only possible in cell (8,6)









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









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









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









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









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









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









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









For column 7, Number 6 is only possible in cell (7,4)









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









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









Number 3 is the only value possible in cell (8,1).









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









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









Number 8 is the only value possible in cell (5,1).









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









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









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









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









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









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









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









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









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









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









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









Number 2 is the only value possible in cell (8,7).









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









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









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









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









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