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 5, number 6 is only possible in cell (7,5)









For column 1, Number 1 is only possible in cell (1,6)









For row 2, number 5 is only possible in cell (7,2)









For row 5, number 2 is only possible in cell (3,5)









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









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









For row 4, number 5 is only possible in cell (2,4)









For row 3, number 2 is only possible in cell (7,3)









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









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









For column 7, Number 3 is only possible in cell (7,4)









For column 7, Number 8 is only possible in cell (7,1)









For box 8, candidates for 6 are all in row 7, so you can remove candidates from other blocks.









For box 1, candidates for 9 are all in column 3, so you can remove candidates from other blocks.









For box 6, candidates for 9 are all in row 4, so you can remove candidates from other blocks.









For box 9, candidates for 4 are all in column 8, so you can remove candidates from other blocks.









For box 4, candidates for 3 are all in row 6, so you can remove candidates from other blocks.









Naked Pair for 7 and 8, can remove these as candidates from other cells.









For column 5, Number 8 is only possible in cell (5,3)









For row 2, number 8 is only possible in cell (3,2)









For row 7, number 8 is only possible in cell (1,7)









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









Number 8 is the only value possible in cell (9,5).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 4 is the only value possible in cell (9,1).









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









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









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









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









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









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









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









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









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









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









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









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









Number 5 is the only value possible in cell (8,9).