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 (3,2).









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









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









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









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









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









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









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









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









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









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









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









For row 6, number 8 is only possible in cell (5,6)









For row 7, number 8 is only possible in cell (8,7)









For row 4, number 6 is only possible in cell (1,4)









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









For row 7, number 6 is only possible in cell (4,7)









For row 8, number 7 is only possible in cell (7,8)









For column 9, Number 7 is only possible in cell (9,5)









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









For row 5, number 2 is only possible in cell (7,5)









For column 4, Number 5 is only possible in cell (4,3)









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









For box 9, candidates for 3 are all in row 7, so you can remove candidates from other blocks.









Candidates for 9 in boxes 1 and 3 force the candidates in box 2 to be in the remaining line.









Candidates for 3 in boxes 1 and 3 force the candidates in box 2 to be in the remaining line.









X-Wing in columns for 4.









Swordfish in rows for 9.









Either candidate for cell (4,5) forces 1 into cell (9,6).









Number 3 is the only value possible in cell (9,4).









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









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









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









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









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









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









Number 3 is the only value possible in cell (4,2).









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









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









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









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









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









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









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









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









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









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









Number 9 is the only value possible in cell (7,3).









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









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









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









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









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









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









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









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









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