Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









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









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









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









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









Number 5 is the only value possible in cell (1,4).









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









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









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









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









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









Number 2 is the only value possible in cell (9,7).









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









For column 1, Number 8 is only possible in cell (1,9)









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









For column 9, Number 8 is only possible in cell (9,1)









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









For box 3, candidates for 4 are all in column 7, so you can remove candidates from other blocks.









Candidates for 7 in boxes 1 and 2 force the candidates in box 3 to be in the remaining line.









Naked Pair for 3 and 5, can remove these as candidates from other cells.









For row 1, number 5 is only possible in cell (4,1)









For box 2, Number 3 is only possible in cell (4,2)









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









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









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









Number 9 is the only value possible in cell (5,1).









Number 4 is the only value possible in cell (3,2).









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









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









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









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









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









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









Number 1 is the only value possible in cell (7,8).









Number 4 is the only value possible in cell (7,1).









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









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









Number 7 is the only value possible in cell (3,1).









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









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









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









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









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









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









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









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









Number 6 is the only value possible in cell (3,9).









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









Number 3 is the only value possible in cell (5,9).









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









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









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









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