Arcade ↗
THE EXTREMELY SERIOUS MATH GAME

Little questions.
Big brain energy.

Do the math. Grow the head.
Try not to overthink the explosion.

LEVEL 01Small sums0 / 10
3 + 4 = ?
Type your answer. Hit Enter ↵
✓ Right answer? Bigger head.↘ Wrong answer? Smaller head.✹ 25 right answers? POP!
SUBJECT NO. 001HEADROOM: QUESTIONABLE
✦+×math is happening.
a perfectly normal-sized head. for now.
THE BIG POP0 / 25 correct

Feed the brain. Fill the bar. Witness the nonsense.

CORRECT ANSWERS0
CURRENT STREAK0 in a row
BRAIN POPS0
✧ Progress saved on this browser

No timer. Just you, math, and a very stretchy head.

A fresh little brain?

This resets Big Brain’s level, answers, streaks, and pops on this browser.