Sudoku X by ODDA is not only a classic logic puzzle based on number placement but also you can replace numbers on funny pictures and train your logic and memory skils as well.
To solve "Sudoku X" puzzle you need to complete all 3х3 squares with numbers (pictures) in special way: each number or picture can be used only once in the row column and square.
The spetialtes of the app:
4 levels of complexity
Pencil mode allows to make notes in boxes
2 design kinds of numbers puzzle
2 design kinds of picture puzzle
#NOTE: sudoku x is free but supported by ads.
Email for support/suggestions at firstname.lastname@example.org