Daily Challenges and Code Battles
Think You
Actually Know Code?
In the age of AI, everyone "codes", but almost no one can actually read it anymore. One snippet. Three attempts. Private rooms when you want to race friends. No AI to save you.
challenge_042.js
const data = [1, 2, 3];
data.map(x => x * 2);
console.log(data[0]);Today's challenge is in the app.
Designed for Developers.
One daily challenge. Endless katas. Private battles.
One a day
The Daily Challenge
One code snippet, 3 attempts. Everyone gets the same challenge at local midnight. The real round lives in the app.
Belt system
DOJO & Belt Progression
Train endlessly with adaptive katas. Earn belts from White to Black as you master language-specific challenges and level up your mastery.
Multiplayer
Code Battles
Create a private room, invite friends with a short code, and race through the same console-output challenges in real time.
Today's challenge won't wait.
Get the app for the daily round. One snippet. Three attempts. It resets at local midnight.