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 (5,5)









For row 2, number 6 is only possible in cell (4,2)









For row 3, number 6 is only possible in cell (2,3)









For column 2, Number 8 is only possible in cell (2,1)









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









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









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









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









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









For column 3, Number 7 is only possible in cell (3,6)









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









For column 3, Number 2 is only possible in cell (3,7)









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









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









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









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









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









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









For box 5, candidates for 8 are all in row 4, so you can remove candidates from other blocks.









Naked Pair for 4 and 7, can remove these as candidates from other cells.









For box 8, candidates for 7 are all in row 9, so you can remove candidates from other blocks.









Naked Pair for 4 and 7, can remove these as candidates from other cells.









Naked Pair for 2 and 3, can remove these as candidates from other cells.









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









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









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









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









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









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









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









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









Number 1 is the only value possible in cell (5,4).









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









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









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









Number 5 is the only value possible in cell (2,8).









Number 3 is the only value possible in cell (9,8).









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









Number 9 is the only value possible in cell (2,5).









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 1 is the only value possible in cell (2,9).









Number 4 is the only value possible in cell (3,9).









Number 7 is the only value possible in cell (5,9).









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









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









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