Concentration: Card Game
#570,529 of 719,857 by ratings on Apple · #106,691 of 125,017 in Games
First seen by this census 09/05/2026 — the store does not publish a creation date
Last updated 06/18/2024
Tracked since 09/05/2026
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Category: Games
Description
Concentration, also known as Match Match, Match Up, Pelmanism, Shinkei-suijaku, Pexeso or simply Pairs, is a card game in which all of the cards are laid face down on a surface and two cards are flipped face up over each turn. The object of the game is to turn over pairs of matching cards. Concentration can be played with any number of players or as solitaire. It is a particularly good game for young children, though adults may find it challenging and stimulating as well.
Over the course of the game, it becomes known where certain cards are located, and so upon turning up one card, players with good memory will be able to remember where they have already seen its pair.
It is common for many players to think they know where pairs are and to turn over the one they are sure of first, then be stumped finding its mate. A better strategy is to turn over a less certain card first, so that if wrong, one knows not to bother turning a more certain card over.
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Growth
Change in ratings, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.
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History
Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.