⚡ Brain

Play 3 free brain quizzes. No sign-up, no download — just tap and go.

Trivia

Everyday Science: Do You Know Why Any of This Happens?

8 questions · 3 min

Game

Math Sprint: 60 Seconds of Mental Arithmetic

60 seconds · difficulty scales with score

Game

Trust Your Eyes: Which Box Has More?

3 lives · the gap shrinks each level