Spectre Mind: Chain Of Numbers is a fun free-to-play puzzle game for improving your attention. The field is filled with numbered balls. Collect chains of adjacent numbers. The larger the chain you collect, the smaller the number you’ll end up with. Since this brain teaser is intended not only for children, but also for adults, playing together can become an excellent opportunity for some family time. As you progress through the game, your attention will improve and the game will become increas