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 (8,7).









For row 2, number 9 is only possible in cell (7,2)









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









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









For row 7, number 5 is only possible in cell (1,7)









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









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









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









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









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









For box 7, Number 1 is only possible in cell (3,8)









For row 9, number 2 is only possible in cell (9,9)









For box 2, candidates for 7 are all in row 2, so you can remove candidates from other blocks.









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









Naked Pair for 3 and 7, can remove these as candidates from other cells.









For column 9, Number 3 is only possible in cell (9,5)









Naked Pair for 4 and 7, can remove these as candidates from other cells.









For column 2, Number 7 is only possible in cell (2,1)









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









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









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









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









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









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









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









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









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









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









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









Number 8 is the only value possible in cell (1,5).









Number 1 is the only value possible in cell (4,6).









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









Number 1 is the only value possible in cell (5,2).









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









Number 1 is the only value possible in cell (2,5).









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









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









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









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









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









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









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









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









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









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









Number 6 is the only value possible in cell (9,4).









Number 2 is the only value possible in cell (7,4).









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









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









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









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









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









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









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









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









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









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