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 8, number 8 is only possible in cell (2,8)









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









For row 6, number 3 is only possible in cell (1,6)









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









For row 4, number 7 is only possible in cell (2,4)









For row 5, number 6 is only possible in cell (2,5)









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









For box 1, Number 4 is only possible in cell (1,3)









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









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









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









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









Naked Pair for 4 and 9, can remove these as candidates from other cells.









Candidates for 4 in boxes 2 and 8 force the candidates in box 5 to be in the remaining line.









Candidates for 9 in boxes 2 and 8 force the candidates in box 5 to be in the remaining line.









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









Hidden Pair for 1 and 8, can remove other candidates from these cells.









For box 6, candidates for 2 are all in column 7, so you can remove candidates from other blocks.









Hidden Pair for 2 and 8, can remove other candidates from these cells.









For row 1, number 3 is only possible in cell (4,1)









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









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









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









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









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









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









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









Number 9 is the only value possible in cell (6,1).









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









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









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









Number 1 is the only value possible in cell (2,3).









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









Number 8 is the only value possible in cell (9,4).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 5 is the only value possible in cell (6,8).









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









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









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









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









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