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 1, number 7 is only possible in cell (4,1)









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









For column 9, Number 8 is only possible in cell (9,8)









For row 6, number 7 is only possible in cell (8,6)









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









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









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









For column 9, Number 4 is only possible in cell (9,9)









For column 9, Number 6 is only possible in cell (9,2)









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









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









For box 6, Number 9 is only possible in cell (7,4)









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









For box 2, Number 5 is only possible in cell (6,2)









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









Number 1 is the only value possible in cell (8,2).









For row 5, number 2 is only possible in cell (9,5)









For box 4, candidates for 9 are all in column 1, so you can remove candidates from other blocks.









Candidates for 4 in boxes 1 and 4 force the candidates in box 7 to be in the remaining line.









Naked Pair for 1 and 4, can remove these as candidates from other cells.









Candidates for 1 in boxes 1 and 4 force the candidates in box 7 to be in the remaining line.









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









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









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









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









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









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









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









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









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









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









Number 1 is the only value possible in cell (3,8).









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









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









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









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









Naked Pair for 1 and 3, can remove these as candidates from other cells.









Number 5 is the only value possible in cell (2,4).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 9 is the only value possible in cell (6,5).









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









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









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









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









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









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