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Write every number.
Let the AI check it.
One digit at a time, from 1 to 1,000,000. Draw it with your finger — an on‑device AI reads your handwriting instantly and tells you if you got it right.
The challenge
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01
Draw the target number
Every round shows you a number. Write it, digit by digit, right on the screen.
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02
The AI reads it instantly
A neural network trained on handwritten digits checks every stroke the moment you draw it.
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03
Climb toward one million
Get it right, move to the next number. Your progress bar creeps closer to the million with every correct digit.
Ready to start counting?
Free to play. No number left behind.
Get it on Google Play