Memory Puzzle : Concentration

Memory - find a pair, a memory development game for children and adults. You must remember the location of the cards and find all the matching pictures.

Rules:
Up to 16 pairs of cards are placed on the playing field. Each turn you need to turn over two (or three) cards. If they match, they disappear from the playing field. If not, the open cards are turned face down, and the turn starts again. The goal of the game is to find pairs.

Features:
∙ constructor mode, customize the level for yourself
∙ competitive modes: best score, best time
∙ several game rules: no restrictions, for attempts, for time, mix
∙ saving progress in iCloud
∙ achievements and records from Game Center
∙ free hints every day

Competitive modes:
Challenge mode is a competitive mode in which you need to score points for completing random levels. The more levels in a row you pass and the fewer mistakes you make, the more points you get per level.
Classic mode - complete 10 levels in this mode and you can take part in the competition for the best time. In this mode, you need to complete levels as quickly as possible.
For a while - in this mode you need to score as many points as possible in a limited time. With successful completion of the level, you will receive additional time.