Sudoku on its own is a very complex game. All but the most mathematically inclined put extensive mental energy forward to complete even moderate Sudoku puzzles. So the very concept of changing the game to use something other than numbers is enough to cross the eyes. But Deca Color Sudoku manages to do it right, presenting an engaging, mind-bending variation on the classic puzzler that works well.
The idea is very simple. Instead of nine numbers, Deca Color Sudoku uses nine colors. The same rules as traditional number-based Sudoku apply: match up the colors across all 18 rows and columns … Read more