Logic Masters Deutschland e.V.

• Normal Sudoku: Place the digits 1-9 once each in every row, column and 3x3-box.

• Non-consecutive: Orthogonally adjacent digits may not be consecutive.
• Killer: Digits in cages sum to the given total and may not repeat.
• Diagonal: On the indicated Diagonal digits may not repeat.
• Ratio-Pair: The black dot separates digits that are in a ratio of 1:2. Not all black dots are given.

• Mirrored X-Pairs:: Digits in cells that map on each other after 180° rotation around the center sum to 10. E.g. if R4C2 is a 3 then R6C8 has to be a 7.

Play online: f-puzzles - CtC-app

Difficulty might be a 3/5, but there are not too many deductions, each one is fair and if you find the break-in finding the next step shouldn't be too hard. So IMO 2*-solvers should get it done - give it a try!