Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




For box 4, candidates for 3 are all in row 5, so you can remove candidates from other blocks.









For box 6, candidates for 6 are all in row 5, so you can remove candidates from other blocks.









Hidden Pair for 3 and 4, can remove other candidates from these cells.









Hidden Pair for 7 and 9, can remove other candidates from these cells.









For row 4, number 3 is only possible in cell (5,4)









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









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









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









Number 7 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 (9,7).









Number 3 is the only value possible in cell (7,9).









For box 8, candidates for 3 are all in row 7, so you can remove candidates from other blocks.









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









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









For column 1, Number 2 is only possible in cell (1,3)









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









For row 3, number 4 is only possible in cell (8,3)









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









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









For row 3, number 6 is only possible in cell (6,3)









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









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









For row 1, number 7 is only possible in cell (3,1)









For row 6, number 7 is only possible in cell (1,6)









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









For column 3, Number 8 is only possible in cell (3,9)









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









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









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









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









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









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









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









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









Number 3 is the only value possible in cell (6,1).









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









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









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









Number 5 is the only value possible in cell (4,3).









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









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









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









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









Number 5 is the only value possible in cell (9,4).









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









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









Number 4 is the only value possible in cell (3,5).









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









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









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









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









Number 1 is the only value possible in cell (3,6).









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









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









Number 9 is the only value possible in cell (7,6).









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









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









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









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