Logic Masters Deutschland e.V.

The Sudoku was featured in the following videos:
Michael’s Miscellaneous Media
One Year Sudoku-versary!! by Lucian's Place (starting at 3:24:27)

Rules:

• Place the digits 1-9 once each in every row, column and box.
• The grid is partially covered in fog. Placing correct digits will clear the fog from surrounding cells.
• Digits in a cage may not repeat and must sum to the number in the corner of one of its cells. Cages don't overlap.
• Cells marked with a gray square must contain even digits.
• Digits in cells separated by a white dot are consecutive.
• Digits in cells separated by a black dot are in 1:2 ratio.
• Negative constraints don't apply.
• Digits along an arrow must sum to the digit in the arrow's circle.

Solve the sudoku here:
SudokuPad