Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









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









For column 1, Number 9 is only possible in cell (1,3)









For box 2, Number 9 is only possible in cell (5,2)









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









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









For column 4, Number 2 is only possible in cell (4,3)









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









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









For box 2, candidates for 8 are all in column 6, so you can remove candidates from other blocks.









For row 7, number 8 is only possible in cell (5,7)









For row 6, number 8 is only possible in cell (4,6)









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









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









Either candidate for cell (1,7) forces 7 into cell (9,7).









For row 8, number 7 is only possible in cell (3,8)









For row 8, number 6 is only possible in cell (1,8)









For row 4, number 6 is only possible in cell (8,4)









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









For box 9, candidates for 2 are all in row 9, so you can remove candidates from other blocks.









For box 4, candidates for 3 are all in column 2, so you can remove candidates from other blocks.









Either candidate for cell (6,7) forces 2 into cell (1,7).









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









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









Either candidate for cell (2,8) forces 1 into cell (6,7).









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









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









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









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









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









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









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









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









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









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









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









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









Number 3 is the only value possible in cell (5,8).









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









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









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









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









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









Number 9 is the only value possible in cell (8,1).









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









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









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









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









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









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









Number 3 is the only value possible in cell (2,4).









Number 7 is the only value possible in cell (6,4).









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









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









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









Number 3 is the only value possible in cell (7,9).









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