Logic Masters Deutschland e.V.

Fog of war sudoku. Mixed rules. Link to puzzle. sudokupad. There is a video solution and more puzzles on youtube channel "sudoku spot" Rules: Normal sudoku rules apply. Cells adjacent to an X add to 10. Cells separated by black dots are in the ratio 1:2. Cells on pink Renban lines are a group of consecutive numbers in any order on the line. Cells on grey sequence lines must be the same amount apart and in order. E.g. 111 456 2468 741 9753 Cages must sum to the numbers in the top corner of the cage. Numbers cannot repeat in a cage. Every digit in a 4-value circle has to be assigned to one of the surrounding cells. Cells along an arrow line sum to the circle at the end of the line. Blue lines must have equal sums in each region. Every 2 must have at least one 5 in one of the surrounding cells.