Flip two cards at a time and find every matching pair. A match stays face up; a miss flips back — remember where it was. Clear the board in as few moves as you can.
A perfect game on 4×4 is possible in as few as 8 moves — but even world-class players need a little luck for that.
Memory Match — the game generations knew as Concentration or Pelmanism — is a pure test of visual working memory: the mental scratchpad where you hold "the rocket is bottom-left" while deciding what to flip next.
Every miss is information. Strong players never flip randomly twice: they open one unknown card first, and if they've seen its partner before, the second flip is a guaranteed match. That single habit — explained in our strategy guide — cuts move counts dramatically.
The deck itself is honest: cards are shuffled with the Fisher–Yates algorithm, so every layout of the board is exactly equally likely. Curious how that works? Read Inside the shuffle.
Go deeper: How to win in fewer moves
All cards start face down. Flip any two: a match stays face up, a miss flips back after a short peek. Keep flipping — and remembering — until every pair is found. Fewer moves is a better score.
Kids mode has big cards, small grids (2×3 to 4×4), bright picture themes, a longer peek and no timer. Adult mode adds a timer, a much shorter peek, abstract themes and grids up to 6×6.
Matching pairs is a classic early-learning game. Kids mode is built for small hands: a few large cards, friendly themes, encouraging messages and zero time pressure. Start preschoolers on 2×3 and work up.
They are the same game. "Concentration" is the traditional card-game name, "Pelmanism" is the older British term (after the Pelman Institute memory schools), and "Memory" became the household name through the boxed tile version families have played since the 1960s. Whatever you call it, the rules are identical: flip two, keep matches, remember the rest.
You'll genuinely get better at holding card positions in short-term memory, and it's a great concentration workout. Research suggests game gains don't automatically transfer to unrelated memory tasks — so enjoy it as practice, not medicine.
Completely free, no download, no sign-up. Everything — cards, themes, best scores — runs client-side in your browser, so once loaded it keeps working without a connection.
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You found every pair.
MEMORY MATCH