Code.
Compete.
Connect.

Challenge developers worldwide. Solve the same problem. First correct solution wins.

Your first opponent is waiting. Free to play.

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

Pricing

Free to compete. Pro to dominate.

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
Cancel anytime

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

Why CodeArena?

The multiplayer alternative to solo coding practice

Traditional Coding Practice

LeetCode, HackerRank, CodeWars

  • —Practice alone with no time pressure
  • —Submit solutions at your own pace
  • —No real competition element
  • —Can feel isolating and monotonous
  • —Hard to simulate interview pressure

CodeArena

Real-time multiplayer coding battles

  • Race against real opponents in real-time
  • Same problem, same timer - first correct wins
  • ELO rankings like chess - climb the ladder
  • Tournaments and weekly challenges
  • Interview-like pressure builds real skills

Perfect For

Technical interview prepCompetitive programmersFriends who want to duelDevelopers bored of solo grindingTeams building coding skills

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?

Your next opponent is already waiting.

Jump in free • Your rank awaits