Code.
Compete.
Connect.

Challenge developers worldwide. Solve the same problem. First correct solution wins.Pure skill. Pure speed. Pure coding.

No credit card required. Start competing in seconds.

1000+
Problems
9
Languages
Player 1• JavaScript
0%
VS
Player 2• Python
0%

Pricing

Simple, transparent pricing

Start free. Upgrade when you're ready.

Free

$0

Perfect for getting started

  • 3 ranked battles per day
  • 3 practice problems per day
  • All 9 programming languages
  • Basic stats & leaderboard

Pro

$9/month

Cancel anytime

  • Unlimited ranked battles
  • Unlimited practice problems
  • AI Coach with real-time hints
  • AI Code Review after battles
  • Full analytics & insights
  • Priority matchmaking

Student discount

Get Pro for $4.99/mo with a .edu email

Learn more
Instant access
Secure checkout
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Built for Speed

Everything you need to sharpen your coding skills through competition

Lightning Fast

Get matched with an opponent in seconds. Code side-by-side in real-time. See results instantly when you submit.

Head-to-Head

Both players receive the identical problem at the exact same moment. Race to submit first.

P1
VS
P2

Pure Skill

Your ELO ranking reflects your true coding ability. Climb the leaderboard.

Fair Play

Anti-cheat monitors tab switches and copy-paste to keep battles honest.

9 Languages

JS
TS
Python
Java
C++
C#
Go
Rust
SQL

Real Execution

Top Players

Compete with the best. Climb the ranks.

View Full Leaderboard

How It Works

Simple. Fast. Competitive.

1

Challenge

Choose your battle mode or join the queue. Get matched with a developer at your skill level.

2

Code

Both players get the same problem. Race to submit the first working solution.

3

Win

First correct solution takes the victory. Simple. Clean. Competitive.

PRO FEATURE

AI-Powered Coaching

Get personalized AI-powered feedback. Real-time hints when you're stuck, comprehensive code reviews after solving, and insights tailored to your coding style.

Real-time coaching hints
AI code reviews
Personalized archetype analysis
Progress tracking & milestones

Ready to Battle?

Join the arena where the fastest coders rise to the top.

No downloads required • Battle in your browser