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 (3,4).









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









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









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









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









For column 4, Number 5 is only possible in cell (4,1)









For row 8, number 9 is only possible in cell (4,8)









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









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









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









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









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









For row 5, number 8 is only possible in cell (9,5)









For box 4, candidates for 7 are all in row 5, so you can remove candidates from other blocks.









For box 8, candidates for 2 are all in row 9, so you can remove candidates from other blocks.









For box 8, candidates for 1 are all in row 9, so you can remove candidates from other blocks.









Naked Pair for 6 and 7, can remove these as candidates from other cells.









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









For row 3, number 9 is only possible in cell (6,3)









For row 1, number 9 is only possible in cell (3,1)









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









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









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









Number 1 is the only value possible in cell (2,3).









Number 3 is the only value possible in cell (2,1).









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









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









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









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









Number 5 is the only value possible in cell (2,7).









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









Number 4 is the only value possible in cell (8,5).









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









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









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









Number 7 is the only value possible in cell (2,8).









Number 2 is the only value possible in cell (7,8).









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









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









Number 2 is the only value possible in cell (9,1).









Number 4 is the only value possible in cell (6,2).









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









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









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









Number 4 is the only value possible in cell (5,6).









Number 3 is the only value possible in cell (7,6).









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









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









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









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









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









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









Number 1 is the only value possible in cell (5,9).









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









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









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









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