Undolvable puzzle found – Mathdoku+ Sudoku Style Math & Logic Puzzle Game Review

Puzzle addict pack>6x6> puzzle 002. No way you get 15 without using 6,5,4. And after filling in the 5s in single boxes, the 5 repeats in 15+ addition box.
Review by 1BADRMO on Mathdoku+ Sudoku Style Math & Logic Puzzle Game.