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 8 is only possible in cell (8,3)









For row 9, number 8 is only possible in cell (4,9)









For column 9, Number 5 is only possible in cell (9,6)









For row 9, number 6 is only possible in cell (2,9)









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









For blocks 1 and 4, candidates for 4 are all in the same two columns (2 and 3)









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









For blocks 6 and 9, candidates for 2 are all in the same two columns (7 and 8)









Naked Pair for 2 and 4, can remove these as candidates from other cells.









For column 4, Number 2 is only possible in cell (4,3)









Number 5 is the only value possible in cell (2,3).









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









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









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









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









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









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









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









For row 1, number 5 is only possible in cell (6,1)









For column 6, Number 6 is only possible in cell (6,2)









For row 8, number 5 is only possible in cell (4,8)









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









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









For row 1, number 8 is only possible in cell (3,1)









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









For row 9, number 4 is only possible in cell (5,9)









For box 8, Number 1 is only possible in cell (6,8)









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









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









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









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









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









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









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









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









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









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









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









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









Number 4 is the only value possible in cell (3,6).









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









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









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









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









Number 7 is the only value possible in cell (4,2).









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









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









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









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









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









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









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









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









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









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









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