BrainPlayKlondike Solitaire
The world's favourite patience game — build the four suits from ace to king.
Concentration
The full 52-card pairs challenge — the ultimate memory workout.
Concentration — FAQ
Is Concentration free to play?
Yes — Concentration is completely free on BrainPlay. It runs in your browser with no download, no sign-up and no paywall.
Can I play Concentration on my phone?
Yes. Concentration is touch-optimized and works on phones, tablets and desktops. Your best results are saved automatically on your device.
What skills does Concentration train?
Concentration primarily exercises planning, patience and card memory. Short daily sessions are the most effective way to improve.