Think. React. Outplay.
Get it on Google PlayMemory Grid, Reaction, Number Sequence, Mental Math, Odd One Out, Pattern Lock and the rule-bending Rule Shift.
Climb through themed worlds of ever-harder levels. Earn stars, unlock boosters, keep going.
One challenge, the whole planet, every day. Keep your streak alive.
Rounds last seconds, sessions last minutes. Every run tests a different skill — no two feel the same.
Chain correct answers to multiply your score. One slip resets it. Stay sharp.
Premium removes ads — it never buys score. Your Brain Score is earned, not bought.