Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









For row 3, number 2 is only possible in cell (1,3)









For row 1, number 3 is only possible in cell (7,1)









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









For column 1, Number 3 is only possible in cell (1,4)









For row 2, number 4 is only possible in cell (7,2)









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









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









For row 7, number 4 is only possible in cell (2,7)









For box 6, candidates for 1 are all in row 6, so you can remove candidates from other blocks.









For box 4, candidates for 1 are all in row 4, so you can remove candidates from other blocks.









For box 7, candidates for 6 are all in column 1, so you can remove candidates from other blocks.









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









For box 7, Number 5 is only possible in cell (3,8)









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









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









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









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









For column 4, Number 1 is only possible in cell (4,5)









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









For row 4, number 7 is only possible in cell (6,4)









For row 6, number 7 is only possible in cell (9,6)









For row 9, number 7 is only possible in cell (3,9)









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









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









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









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









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









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









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









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









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









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









Number 6 is the only value possible in cell (2,1).









Number 9 is the only value possible in cell (6,1).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 2 is the only value possible in cell (6,7).









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









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









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









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