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 increasingly easier for you. If you manage to earn more than 1,000,000 points and feel that the game has become quite easy for you, then accept our sincere congratulations because it means that you have achieved incredible results in your attention training and can move on to more challenging brain teasers. Spectre Mind is a series of free-to-play puzzle games aimed at brain training. Develop your logical skills, memory, and attention. By playing our brain teaser games, you train your brain and increase its power!