Code Battles at
Lightning Speed

Engage in real-time multiplayer coding quizzes. Challenge your friends, test your skills, and become the ultimate code master!

or

Code Challenges

Face diverse coding puzzles

function fizzBuzz(n) {
  return n % 15 === 0 ? "FizzBuzz"
       : n % 3 === 0 ? "Fizz"
       : n % 5 === 0 ? "Buzz"
       : n.toString();
}

Real-time Battles

Compete against the clock

async function quickSort(arr) {
  if (arr.length <= 1) return arr;
  const pivot = arr[arr.length - 1];
  const left = [], right = [];
  for (let i = 0; i < arr.length - 1; i++) {
    arr[i] < pivot ? left.push(arr[i]) : right.push(arr[i]);
  }
  return [...await quickSort(left), pivot, ...await quickSort(right)];
}

Multiplayer

Challenge friends and rivals

socket.on('challenge', ({ opponent, problem }) => {
  console.log(`New challenge from ${opponent}!`);
  startCodingBattle(problem);
});

function submitSolution(code) {
  socket.emit('solution', { code, timestamp: Date.now() });
}