Astraware Sudoku - It's a different kind of Zen

Step-By-Step Solution:

Initial Grid

                    
First step - add in all possible valid pencilmarks.




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









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









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









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









For column 8, Number 7 is only possible in cell (8,1)









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









For box 6, Number 1 is only possible in cell (7,5)









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









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









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









For column 7, Number 2 is only possible in cell (7,6)









For box 6, Number 4 is only possible in cell (9,6)









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









For box 2, candidates for 6 are all in row 1, so you can remove candidates from other blocks.









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









Candidates for 8 in boxes 4 and 6 force the candidates in box 5 to be in the remaining line.









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









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









Number 3 is the only value possible in cell (8,4).









For row 4, number 8 is only possible in cell (2,4)









For row 4, number 5 is only possible in cell (6,4)









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









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









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









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









Number 3 is the only value possible in cell (7,8).









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









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









Number 6 is the only value possible in cell (4,1).









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









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









Number 9 is the only value possible in cell (3,5).









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









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









Number 8 is the only value possible in cell (7,9).









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