Logic Masters Deutschland e.V.

Doppelgänger: Fill each cell of the main grid such that every row, column and box contains a 0 and eight different digits from 1-9.

No two rows, no two columns, and no two boxes may be missing the same digit.

For each 0 in the grid, the digits missing in its row, column, and box must be three different digits.

Fill each outer cell with the digit missing from the corresponding row, column, or box.

Two Truths And A Lie: For each clue type listed below, there are three clues of that type in the grid. Two of them are correct, and one is incorrect ("lying").

Arrows: Digits along an arrow sum to the digit in that arrow's circle.

Cages: Digits in a cage may not repeat and sum to the total given.

Double kropki dots: Digits in cells joined by a black dot marked with a '2' are in a 1:2 ratio.

German whisper lines: Adjacent digits along a green line have a difference of at least 5.

Quadruples: Digits in a circle must appear within the four surrounding cells.

Renban lines: Digits along a purple line form a set of consecutive digits in any order.

Thermometers: Digits along a thermometer increase from bulb to tip.

Triple kropki dots: Digits in cells joined by a black dot marked with a '3' are in a 1:3 ratio.

V's: Digits separated by a V sum to 5.

X's: Digits separated by an X sum to 10. Play the puzzle on SudokuPad.