IcoSoKu - It is believed that mental exercises such as puzzles to solve this puzzle, keep the mind sharp.
During the weekend might be tempting to watch movies, television and playing video games, but to solve a puzzle like this can be challenging and keep the mind in training.
IcoSoKu 3D, this is his name, and like most of the best games, it is very easy to learn but difficult to solve.
The rules are simple, just place the 20 triangular pieces so that the sum of the points surrounding each yellow button reaches the specified value. However, it is very difficult as there are thousands of possible arrangements and the solution of a section may be impossible to resolve the adjacent sections.
It can be obtained vat19.com