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 (3,3)









For column 5, Number 4 is only possible in cell (5,8)









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









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









For row 7, number 6 is only possible in cell (1,7)









For row 5, number 6 is only possible in cell (3,5)









For row 8, number 6 is only possible in cell (9,8)









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









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









For box 7, candidates for 9 are all in column 3, so you can remove candidates from other blocks.









Candidates for 9 in boxes 1 and 3 force the candidates in box 2 to be in the remaining line.









For column 5, Number 9 is only possible in cell (5,3)









Candidates for 3 in boxes 4 and 5 force the candidates in box 6 to be in the remaining line.









Number 2 is the only value possible in cell (7,5).









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









Naked Pair for 5 and 7, can remove these as candidates from other cells.









Naked Pair for 3 and 7, can remove these as candidates from other cells.









X-Wing in columns for 2.









X-Wing in columns for 7.









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









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









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









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









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









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









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









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









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









Number 5 is the only value possible in cell (7,1).









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









Number 4 is the only value possible in cell (1,2).









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









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









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









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









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









Number 5 is the only value possible in cell (1,4).









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









Number 1 is the only value possible in cell (6,5).









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









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









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









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









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









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









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









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









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









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









Number 1 is the only value possible in cell (5,7).









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









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









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









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









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









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









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









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









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









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









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