Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




Number 5 is the only value possible in cell (7,1).









For box 6, Number 1 is only possible in cell (9,5)









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









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









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









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









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









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









For column 6, Number 4 is only possible in cell (6,2)









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









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









For column 6, Number 5 is only possible in cell (6,8)









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









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









For box 4, candidates for 1 are all in column 2, so you can remove candidates from other blocks.









For box 4, candidates for 8 are all in column 2, so you can remove candidates from other blocks.









Naked Pair for 1 and 4, can remove these as candidates from other cells.









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









For row 9, number 1 is only possible in cell (5,9)









Number 7 is the only value possible in cell (5,1).









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









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









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









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









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









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









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









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









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









Number 7 is the only value possible in cell (4,8).









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









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









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









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









Number 9 is the only value possible in cell (1,3).









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









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









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









Number 9 is the only value possible in cell (8,2).









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









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









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









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









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









Number 8 is the only value possible in cell (2,4).









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









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









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









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









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









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









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









Number 9 is the only value possible in cell (5,8).









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









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









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









Number 2 is the only value possible in cell (9,8).









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









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