Solo Quiz
Choose an available category and difficulty. Ten questions, one at a time.
BRAIN CHALLENGE
10 puzzles. One score. Challenge your friends.
Free to play. Scores reflect puzzle performance, not IQ.
Choose an available category and difficulty. Ten questions, one at a time.
Everyone plays the same daily set. Your first attempt counts for ranking; replays are practice.
Create a quiz, share a private invitation before you play, and compete on the exact same set. You can also challenge a friend from your result.
New categories open as verified question pools become ready.
Active questions have a source, verification date and explanation. Correct answers stay server-side until you submit yours.