Normal sudoku rules apply.
N-Lines - Digits along a line of any color can be divided into non-overlapping segments that all sum to N, where N depends on the color of the line.
Ren15an Lines - Digits along a pink line form a continuous, non-repeating set in any order. N = 15 for all renban lines.
Pa11ndromes - Digits along a gray line are palindromes that read the same in either direction. N = 11 for all palindromes.
Re9ion Sum Lines - Digits along a blue line are divided into segments with equal sums by the box boundaries. N = 9 for all region sum lines.
Play this puzzle on SudokuPadLösungscode: Digits on the diagonal from r1c1 to r9c9, from top-left to bottom-right