GraphDuel
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A little intuition. A lot of possibility.

Every curve
has a story.
Can you read it?

Turn a mysterious graph into an equation. Follow your intuition, challenge a friend, and discover the beautiful side of mathematics.

Find your first curve Challenge a friend
Free to explorePractice without sign-inMade for curious minds
Drag to explore the shape

Your next little obsession

A way to play for every mind.

Start with a line. End up somewhere unexpected.

Solo practice

Find your flow

Build your intuition one curve at a time. No sign-in needed to practice. Choose your difficulty and chase your next personal best.

Play with friends

Settle it with a curve

Sign in with Google, make a room, and bring a friend. The same mystery graph. Two very different guesses.

Ranked duels

Raise the stakes

Sign in with Google and put your graph sense to the test. Climb the divisions and make your mark on the leaderboard.

Simple to start. So much to master.

  1. 01

    Spot the shape

    Look for a turning point, a repeating wave, or a telltale asymptote. Every mystery curve leaves clues.

  2. 02

    Trust your intuition

    Write your whole equation, like y = sin(x) or x² + y² = 9. Explore your plot, adjust your guess, and lock it in.

  3. 03

    See how close you came

    Earn up to 5,000 points for mathematical similarity. Close guesses count. Zooming changes your view, never your score.