⚔️ The competitive coding arena
One account for solo practice and head-to-head battles — start earning XP from your very first solve.
Real-time Duels
Same problem, same clock — fastest correct solution wins.
Elo & XP
Earn XP for every solve and move up the ranks with each victory.
Sharpen Skills
Practice any problem solo, or jump straight into a match.
Pick a username and password to get started.