[Play on sudokupad.app instead]
Start a fresh board? Your current progress is kept in your playthroughs list.
- Normal Sudoku Rules: Fill each row, column, and 3x3 box with the digits 1-9 once each. - Killer Cages: Digits in cages must not repeat and must sum to the number in the upper left corner of the cage (if present). - Palindrome Lines: Digits along a gray palindrome line must read the same forwards and backwards in either direction.
Ophidian Clathrus
By lgastako
- Normal Sudoku Rules: Fill each row, column, and 3x3 box with the digits 1-9 once each. - Killer Cages: Digits in cages must not repeat and must sum to the number in the upper left corner of the cage (if present). - Palindrome Lines: Digits along a gray palindrome line must read the same forwards and backwards in either direction.