Puzzle link:
Solve in SudokuPad
Normal sudoku rules apply.
Pair each digit with exactly one of restrictions listed below, such that each unique restriction have their digit counterpart. Lines gain properties from the digits that are on them. Example: If we determine letter G is 5, all lines 5 appears on need to follow german whisper rule. You can freely use notes section on the right of a grid, it will not affect the solution checker whatever you write on it.
Some cells have letters in the top right corner. The digit that goes in them is digit tied to that restriction.
(G)erman whisper: Adjacent digits on line must differ by at least 5.
(M)odular: Every set of three consecutive digits along this line must contain one digit from sets {1,4,7}, {2,5,8} and {3,6,9}
(P)alindrome: Digits on a line read the same from each end
Region (S)um: Along the line, sum of digits is the same for each box it visits
(K)iller: Numbers cannot repeat on the line
(R)enban: Digits on the line need to be consecutive in any order and cannot repeat
(N)abner: Digits on the line cannot be consecutive in any order and cannot repeat
(D)utch Whisper: Adjacent digits on the line must differ by at least 4
(T)hermo: Digits on the line form an increasing sequence from one end
Note: if line has region sum and/or palindrome property, it needs to span at least 2 boxes
