Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




For column 6, Number 8 is only possible in cell (6,7)









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









For column 2, Number 8 is only possible in cell (2,4)









For row 4, number 1 is only possible in cell (3,4)









For column 9, Number 1 is only possible in cell (9,2)









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









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









For row 9, number 1 is only possible in cell (6,9)









For row 5, number 7 is only possible in cell (9,5)









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









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









For row 8, number 4 is only possible in cell (9,8)









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









For column 2, Number 9 is only possible in cell (2,7)









For column 5, Number 4 is only possible in cell (5,6)









For column 7, Number 4 is only possible in cell (7,1)









For column 5, Number 6 is only possible in cell (5,4)









For box 5, candidates for 2 are all in column 4, so you can remove candidates from other blocks.









For box 9, candidates for 2 are all in column 8, so you can remove candidates from other blocks.









For box 9, candidates for 3 are all in column 8, so you can remove candidates from other blocks.









For blocks 2 and 8, candidates for 9 are all in the same two columns (4 and 5)









For row 4, number 9 is only possible in cell (9,4)









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









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









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









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









For row 5, number 2 is only possible in cell (4,5)









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









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









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









Number 3 is the only value possible in cell (5,9).









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









Number 3 is the only value possible in cell (1,2).









Number 7 is the only value possible in cell (3,1).









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









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









Number 5 is the only value possible in cell (6,2).









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









Number 9 is the only value possible in cell (5,3).









Number 8 is the only value possible in cell (4,3).









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









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









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









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









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









Number 6 is the only value possible in cell (3,5).









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









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









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









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









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









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









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









Number 2 is the only value possible in cell (8,7).









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









Number 2 is the only value possible in cell (5,8).









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









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