Daily game
Draw your guess.
Three real-world graphs. How close can you get?
Replays keep your first score.
How to playArchive
Quick guide
How to play
- Look at the graph. The first point is given.
- Draw the rest. Use Pen or Line. Eraser, Undo, and Clear fix mistakes.
- Reveal it. See the real line, one similarity score, and how you might have guessed.
Each day has three rounds. No timer. Play as a guest or sign in to keep your first scores across devices.
Optional account
Your account
Play without signing in. An account saves first scores across devices.
Enter your email and we’ll send a reset link.
Signed in as
Settings
Units
Theme
Private workspace
Daily-set editor
Draft, preview, then schedule a day. Scheduled sets appear automatically at 00:00 UTC.
Sign in with the editor account to manage sets.
Import a prepared set
Paste one set JSON object prepared by Codex or exported from this editor.
Player preview
Released days are locked so old scores always match the same answer.
Left/Right: choose a point. Up/Down: change its value. Shift: larger steps; Alt: finer steps. Enter/Space: connect the line. Home/End: first/last point. Delete: erase. Tab: leave the graph. The starting point stays fixed.