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 1, number 1 is only possible in cell (4,1)









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









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









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









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









For row 1, number 5 is only possible in cell (6,1)









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









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









For row 2, number 5 is only possible in cell (7,2)









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









For box 3, candidates for 9 are all in column 9, so you can remove candidates from other blocks.









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









For box 7, candidates for 4 are all in column 1, so you can remove candidates from other blocks.









For box 2, candidates for 7 are all in row 3, so you can remove candidates from other blocks.









Candidates for 7 in boxes 1 and 7 force the candidates in box 4 to be in the remaining line.









Naked Pair for 2 and 7, can remove these as candidates from other cells.









For box 3, candidates for 2 are all in column 9, so you can remove candidates from other blocks.









For box 9, Number 2 is only possible in cell (7,7)









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









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









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









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









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









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









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









Number 4 is the only value possible in cell (9,1).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 3 is the only value possible in cell (6,2).









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









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









Number 6 is the only value possible in cell (4,8).









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









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









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









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









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









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









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









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









Number 6 is the only value possible in cell (8,9).









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