Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









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









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









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









For column 2, Number 1 is only possible in cell (2,9)









For row 7, number 2 is only possible in cell (9,7)









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









For column 8, Number 4 is only possible in cell (8,1)









For column 9, Number 4 is only possible in cell (9,5)









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









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









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









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









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









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









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









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









For row 8, number 3 is only possible in cell (6,8)









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









For column 7, Number 8 is only possible in cell (7,4)









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









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









For blocks 4 and 6, candidates for 7 are all in the same two rows (5 and 6)









Naked Triple for 4, 5 and 7, can remove these as candidates from other cells.









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









For row 5, number 6 is only possible in cell (7,5)









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









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









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









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









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









Number 3 is the only value possible in cell (1,4).









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









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









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









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









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









Number 2 is the only value possible in cell (6,5).









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









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









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









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









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









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









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









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









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









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









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









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









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









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