Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









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









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









Number 9 is the only value possible in cell (7,5).









For row 8, number 9 is only possible in cell (2,8)









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









For row 6, number 1 is only possible in cell (4,6)









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









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









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









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









Naked Pair for 6 and 8, can remove these as candidates from other cells.









Number 5 is the only value possible in cell (8,3).









For row 2, number 5 is only possible in cell (6,2)









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









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









Number 3 is the only value possible in cell (8,1).









For row 1, number 4 is only possible in cell (6,1)









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









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









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









For column 5, Number 2 is only possible in cell (5,1)









For column 4, Number 3 is only possible in cell (4,9)









For box 4, candidates for 8 are all in row 4, so you can remove candidates from other blocks.









Naked Pair for 6 and 8, can remove these as candidates from other cells.









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









For row 9, number 7 is only possible in cell (1,9)









For row 3, number 7 is only possible in cell (4,3)









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









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









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









For row 2, number 7 is only possible in cell (3,2)









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









For column 7, Number 8 is only possible in cell (7,2)









For column 1, Number 6 is only possible in cell (1,3)









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









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









Number 2 is the only value possible in cell (7,3).









Number 6 is the only value possible in cell (7,4).









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









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









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









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









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









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









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









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









Number 3 is the only value possible in cell (1,8).









Number 2 is the only value possible in cell (3,8).









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









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









Number 1 is the only value possible in cell (2,9).









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









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