Arrow Sudoku puzzle was earlier called Assigned Sums Sudoku. Now this Sudoku type is famous with Arrow Sudoku name and it is standard Sudoku type now. I will not be using Assigned Sums Sudoku name for this Sudoku type even though initially I have tried to use both of the names for this Sudoku type. Arrow Sudoku contain mathematical calculations which are limited to addition of few numbers. This makes this Sudoku type very interesting. Arrow Sudoku is one of my favorite Sudoku type. However there are not yet many Arrow Sudoku puzzles which I have created. Soon I am planning to create few puzzles of Arrow Sudoku type. I will be posting link to all Arrow Sudoku and its variation puzzles here.
Rules of Arrow Sudoku
Classic Sudoku Rules apply. Additionally the number placed in a cell with a circle must be the sum of the numbers placed in cells the adjoining arrow passes through. Numbers may repeat on arrows.
Rules of Diagonal Arrow Sudoku
Arrow Sudoku Rules apply. Additionally each marked diagonal must also unique numbers i.e. numbers from 1-9 only once.