Stop Coding Alone
Turn practicing code into a battle. Go head-to-head with other developers, race to solve coding challenges, and climb the ranks to prove your skill.
Built to compete
Everything you need to compete and improve your coding skills.
Leaderboards
Every match is ranked and judged instantly, so you always know where you stand against other developers.
Multiple languages
Solve problems in the programming language you already know, and rank your favorites in your profile.
Competitive games
Battle head-to-head, join a free-for-all lobby, or race solo against the clock.
Frequently asked questions
Everything you need to know before jumping in.
Ready to compete?
Create a free account and jump into your first game in minutes.