Arrow Sudoku (2021) Indie Strategy Puzzle Text About the Game Reviews Gallery Similar Games Troubleshooting PC (Microsoft Windows) Mac Release Date: 2021, May 21 Description: In Arrow Sudoku, every puzzle contains a handful of "arrows" laid out in unique patterns. The numbers found along the shaft of the arrow must sum up to the number at the base. This simple rule leads to endless variety in the puzzles you will conquer.