Logic Masters Deutschland e.V.

Here is my USA puzzle which is the first puzzle of my countries series. I hope it is not one of those puzzles that has looks over solve. Hope you enjoy it. Any feedback is appreciated. Normal sudoku rules apply.


Mainland, Alaska and Hawaii Borders(Dutch Whisper Lines): Along an orange line, two adjacent digits must have a difference of at least 4.

Mississipppi River(Region Sum Line):Blue lines are split into segments by box borders, and each segment of the same line must have the same sum.

Great Lakes(Killer Cages): Digits cannot repeat within a cage, and the digits within a cage must add up to the total given in that cage’s upper-left corner.

Great Plains(Even): A cell with a gray square must have an even digit.

Rocky Mountains(Renban): Each magenta line contains a set of consecutive digits, in some order.

Year of United States Declaration of Independence(Given Digits)

Black Kropki: A black dot separates two digits such that one is twice the other.

Color blind instructions:
Renban line: R4C3-R5C4-R6C4
Region sum line:R4C6-R5C6-R6C6-R7C7
All other lines are Dutch Whisper Lines.
SudokuPad