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 (3,3).









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









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









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









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









Number 5 is the only value possible in cell (4,7).









Number 4 is the only value possible in cell (2,7).









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









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









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









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









Number 3 is the only value possible in cell (5,8).









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









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









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









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









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









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









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









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









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









For column 8, Number 9 is only possible in cell (8,5)









For column 2, Number 1 is only possible in cell (2,5)









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









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









For row 2, number 4 is only possible in cell (9,2)









For row 6, number 4 is only possible in cell (3,6)









For row 2, number 3 is only possible in cell (7,2)









Candidates for 6 in boxes 4 and 6 force the candidates in box 5 to be in the remaining line.









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









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









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









For row 2, number 5 is only possible in cell (6,2)









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









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









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









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









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









Number 1 is the only value possible in cell (8,2).









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









Number 6 is the only value possible in cell (8,3).









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









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









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









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









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









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









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









Number 8 is the only value possible in cell (1,2).









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









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









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









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









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









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