Normal sudoku rules apply. Place the digits 1-9 in each row/column/box.
Anti-king - A digit cannot appear a kings move away from itself.
Red Fortresses - Digits on the perimeter of red fortresses must be greater than adjacent cells outside of the fortress.
Blue Fortresses - Digits on the perimeter of blue fortresses must be lesser than adjacent cells outside of the fortress.
Arrows - Digits along an arrow must sum to the value in the attached circle.
Solution code: Row 5 followed by Column 5, 18 Digits no spaces.
on 24. June 2024, 14:08 by Bankey
Tough but fun.Thanks, @ Sniglett :).
on 11. March 2024, 17:03 by slowbiex
what a tough nut to crack but very satisfying - thanks for setting.