See how you stack up. 1v1 coding battles, Puzzle Rush speedruns, and bracket tournaments. Every match is ranked, every win shapes your global standing.
Queue up and get paired instantly based on your true skill ceiling. Write code in your native language, run test cases, and submit before your opponent does.
Find a MatchNo typing required. Read the code, trace the variables, output the final state. It's a rapid-fire sequence of logic blocks designed to overclock your brain.
Start Puzzle RushWeekly prizepools. 15 minutes to build the best web app using strictly prompt engineering. Your AI, your logic, against the entire arena.
Join the WaitlistEverything you need to master algorithms, compete globally, and build with AI in one unified environment.
The same editor that powers VS Code. Full IntelliSense, syntax highlighting, and a familiar experience right in your browser.
1 function solve(n) {
2 const dp = new Array(n + 1).fill(0);
3 dp[0] = 1;
4 for (let i = 1; i <= n; i++) {
5 ...
From Python and JavaScript to Rust and Go. Battle in your language of choice with zero setup.
Our dynamic rating system ensures you're always matched against opponents of similar skill.
Keep your hands on the home row with full keyboard-driven editing support.
Visual, interactive puzzles that teach you to think through logic before you write a single line of code.