Biggest Brain App

One daily challenge. Four brain games. Every friend you have, on one leaderboard. Prove you're the smart one.

Who has the biggest brain in your group?

Every day, Biggest Brain serves one daily challenge: four quick games testing Math, Memory, Logic, and Visual skills — 60 seconds each. Everyone plays the same challenge. Then the leaderboard decides who's the smart one today.

DAILY CHALLENGE One shot per day. Same games for everyone. No excuses.

PLAY WITH FRIENDS Invite your friends, see their scores the moment they finish, and settle it daily. The group chat will never be the same.

TRAIN YOUR BRAIN Quick Play rounds and per-game Training let you sharpen each skill — track your progress with your personal Brain Measurement across all four categories.

KEEP YOUR STREAK Play daily to build your streak. Miss a day? Streak shields have your back.

EARN ACHIEVEMENTS Over a hundred badges to unlock — from your first game to genuinely elite feats.

Free to play. Optional Remove Ads purchase. The daily challenge is always ad-free.