Logic Masters Deutschland e.V.

RULES:

1) Normal Sudoku Rules Apply.

2) Antiknight Rules Apply. Cells that are a chess knight’s move away from each other must not contain identical digits.

3) Little Killer Sudoku Rules Apply. Digits along the marked diagonal sum to the total given and can repeat.

4) Extremes Rules Apply. A digit in a grey cell with inequality symbols must be greater or less than all of its orthogonally adjacent cells in accordance to the inequality symbols.

5) Thermometer Rules Apply. Digits strictly increase along a thermometer starting from the bulb end of the thermometer.

6) Killer Sudoku Rules Apply. Digits in a cage must not repeat and sum to the total given in the top left corner of the cage.

7) XV Rules Apply. Two orthogonally connected cells with a "V" in between them sum to 5, and with an "X" in between them sum to 10. Not every possible X or V is given.

8) Kropki Rules Apply. Two orthogonally adjacent cells connected by a white dot are consecutive, and connected by a black dot form a 1:2 ratio. Not every possible kropki dot is given.

9) Sandwich Rules Apply. Sandwich sums outside the grid give the sum of all the digits in between 1 and 9 in their corresponding row or column.

10) Between Line Rules Apply. Digits that appear along a between line must be strictly in between the two digits in the circles of their corresponding between lines.

11) Even/Odd Rules Apply. A cell with a grey square must be even, and a cell with a grey circle must be odd.

12) Quadruple Rules Apply. Every number that appears in a quadruple circle must be found in one of the cells the quadruple overlaps.

In this puzzle, I felt that I should try to ignore myself if I wanted to limit myself to a select few constraints to allow for any possible good logic. (I had to battle the F-Puzzles character limit to fit all of the rules in the link. F-Puzzles won!)

Solve on F-Puzzles!