Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




Number 2 is the only value possible in cell (9,4).









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









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









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









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









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









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









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









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









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









Naked Pair for 4 and 8, can remove these as candidates from other cells.









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









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









Candidates for 3 in boxes 1 and 2 force the candidates in box 3 to be in the remaining line.









Naked Pair for 2 and 5, can remove these as candidates from other cells.









For row 2, number 5 is only possible in cell (8,2)









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









Candidates for 2 in boxes 1 and 3 force the candidates in box 2 to be in the remaining line.









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









For column 8, Number 6 is only possible in cell (8,9)









For row 9, number 3 is only possible in cell (2,9)









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









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









Number 8 is the only value possible in cell (3,2).









Number 3 is the only value possible in cell (1,6).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 2 is the only value possible in cell (6,9).









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