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 8, number 9 is only possible in cell (7,8)









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









For row 9, number 3 is only possible in cell (5,9)









For column 7, Number 3 is only possible in cell (7,4)









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









For column 4, Number 5 is only possible in cell (4,7)









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









For column 4, Number 8 is only possible in cell (4,5)









For row 5, number 3 is only possible in cell (1,5)









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









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









For row 3, number 5 is only possible in cell (9,3)









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









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









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









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









For row 2, number 6 is only possible in cell (4,2)









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









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









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









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









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









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









Number 4 is the only value possible in cell (8,9).









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









For row 9, number 8 is only possible in cell (1,9)









For row 4, number 1 is only possible in cell (9,4)









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









For row 6, number 4 is only possible in cell (9,6)









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









Either candidate for cell (4,1) forces 9 into cell (9,1).









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









Number 9 is the only value possible in cell (8,4).









Number 2 is the only value possible in cell (9,5).









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









Either candidate for cell (1,3) forces 7 into cell (1,4).









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









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









Number 9 is the only value possible in cell (5,2).









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









Number 2 is the only value possible in cell (5,3).









Number 9 is the only value possible in cell (1,3).









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









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









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









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









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









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









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









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









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









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









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









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