How good is your reaction can be checked in the game Grid Move. And for one thing you will help our magic ball get through the block colored screens. A shape can only move in the direction where the block color matches its color and only forward. In no case should you go back, just one step and the journey through the block field will be completed. There will always be a passageway ahead, you just need to quickly find it and move up, left or right. Entering the square, the circle can acquire the shape that was drawn on the tile and, as it passes, it will constantly change not only in color, but also in shape. It's interesting, colorful and exciting. It is also useful for training your instincts.