Play
Pick how you want to be tested today.
Playing in class?
Join with the code on the screen. Teachers: host a live game, students join on their phones, no accounts.
Sprint
Five minutes, three strikes. Count how many you solve.
No account needed
Curve Sprint
Five minutes of graphs. Name each function from its curve before the clock runs out.
No account needed to try it
Diverge
No clock. Every three problems it gets harder, and it never stops.
No account needed
Today's problem
One problem, the same for everyone. Then the hard one, for double XP.
Not done yet today
Curve
One graph a day. Name its function in six guesses.
Not played yet today
Squiggles
Everything you play earns coins. Open packs and collect all 36.
First pack free with an account
Practice
Eight problems on the rules you get wrong most. No clock, no strikes.
Needs an account
Battles
Same problems, same clock, head to head against someone your level.
Unlocks at 1,000 players · 702 so far