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 6, number 9 is only possible in cell (6,6)









For row 5, number 9 is only possible in cell (3,5)









For row 1, number 8 is only possible in cell (3,1)









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









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









For row 8, number 3 is only possible in cell (5,8)









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









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









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









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









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









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









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









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









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









Number 4 is the only value possible in cell (9,7).









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









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









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









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









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









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









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









For column 1, Number 2 is only possible in cell (1,4)









For row 3, number 4 is only possible in cell (2,3)









For row 5, number 4 is only possible in cell (7,5)









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









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









For row 5, number 2 is only possible in cell (8,5)









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









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









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









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









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









For box 8, candidates for 7 are all in column 6, so you can remove candidates from other blocks.









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









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









Either candidate for cell (1,1) forces 6 into cell (3,3).









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









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









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









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









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









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









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









Number 7 is the only value possible in cell (5,3).









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









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









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









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









Number 6 is the only value possible in cell (1,7).









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









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









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