Sugoku is a mathematical puzzle where you have to add and subtract numbers on a board, dragging and dropping, to match the numbers on a goal. You can see a short trailer at: Youtube.com
The game mechanics is simple because there are only two kinds of movements but it’s easier to understand with a short videotutorial:
In spite of the name, Sugoku is not a Sudoku, but it’s a game that may attract players who like Sudoku and other reflexive puzzle games or even chess players because it’s about predicting the numbers after several operations.
Even though not being as accessible as the typical match-three puzzle like Candy Crush, it has different game modes and difficulty levels as to exercise the brain while adapting to the situation and the player. This way, the geometrical figures mode presents a more accessible challenge. While the dice mode makes the operations more visuals.
Sugoku is free and can be downloaded from: