My Sohnemann (7J) was downright fascinated by this game ...

... And has not found rest until he has solved the final task. One should bear in mind that this is not a shooting game, and not to jump-and-run in this game, but the math or algebra. It is tuned for solving equations, very playful, initially with colorful pictures and symbols instead of numbers and variables. It is with brackets, with fractures, with operations (+, -, *, /) worked, you should intuitively understand what this is all without being declared one. A game halt. And finally to solve at once right equations, one determines the "x" and the game and the colorful symbols is suddenly nothing more to see - it is pure math. I was surprised myself, excited and going to buy the extended version, it is worth the money!