Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









For row 6, number 2 is only possible in cell (1,6)









For row 7, number 2 is only possible in cell (8,7)









For row 8, number 2 is only possible in cell (4,8)









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









For row 9, number 5 is only possible in cell (1,9)









For column 1, Number 8 is only possible in cell (1,2)









For column 2, Number 8 is only possible in cell (2,8)









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









Number 8 is the only value possible in cell (5,7).









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









For row 1, number 5 is only possible in cell (2,1)









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









For row 4, number 5 is only possible in cell (8,4)









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









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









For row 9, number 8 is only possible in cell (7,9)









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









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









For row 2, number 3 is only possible in cell (5,2)









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









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









For column 2, Number 7 is only possible in cell (2,3)









For row 6, number 3 is only possible in cell (2,6)









For row 5, number 3 is only possible in cell (4,5)









For box 1, candidates for 9 are all in column 3, so you can remove candidates from other blocks.









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









For box 7, candidates for 4 are all in column 3, so you can remove candidates from other blocks.









For blocks 6 and 9, candidates for 1 are all in the same two columns (9 and 8)









Candidates for 6 in boxes 1 and 2 force the candidates in box 3 to be in the remaining line.









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









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









For row 5, number 1 is only possible in cell (2,5)









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 7 is the only value possible in cell (5,4).









Number 1 is the only value possible in cell (9,4).









Number 9 is the only value possible in cell (8,5).









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









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









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









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









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









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









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









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









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