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 2, number 9 is only possible in cell (9,2)









For row 8, number 9 is only possible in cell (1,8)









For column 6, Number 8 is only possible in cell (6,3)









For column 1, Number 8 is only possible in cell (1,4)









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









For box 2, candidates for 6 are all in column 4, so you can remove candidates from other blocks.









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









For box 9, candidates for 5 are all in row 7, so you can remove candidates from other blocks.









Naked Pair for 3 and 6, can remove these as candidates from other cells.









For box 7, candidates for 6 are all in row 9, so you can remove candidates from other blocks.









Naked Pair for 3 and 6, can remove these as candidates from other cells.









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









Hidden Pair for 5 and 6, can remove other candidates from these cells.









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









For box 7, candidates for 1 are all in column 1, so you can remove candidates from other blocks.









Naked Triple for 3, 4 and 6, can remove these as candidates from other cells.









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









Either candidate for cell (1,3) forces 1 into cell (3,2).









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









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









For row 9, number 3 is only possible in cell (6,9)









For blocks 1 and 7, candidates for 4 are all in the same two columns (1 and 2)









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









Either candidate for cell (3,1) forces 1 into cell (1,9).









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









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









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









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









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









Number 7 is the only value possible in cell (5,6).









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









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









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









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









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









Number 6 is the only value possible in cell (4,1).









Number 5 is the only value possible in cell (4,3).









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









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









Number 1 is the only value possible in cell (7,3).









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









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









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









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









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









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









Number 1 is the only value possible in cell (6,4).









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









Number 7 is the only value possible in cell (3,4).









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









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









Number 4 is the only value possible in cell (3,5).









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









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









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









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









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









Number 8 is the only value possible in cell (7,6).









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









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









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









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









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









Number 6 is the only value possible in cell (7,8).









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









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









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