Sky’s the Limit - Cloud9 x JetBrains Hackathon

Welcome to Sky’s the Limit - Cloud9 x JetBrains Hackathon
Cloud9 is bringing its competitive spirit from the arena to the dev world—with a global hackathon built to ignite creativity, sharpen skills, and bring bold ideas to life. As one of the most storied organizations in esports, Cloud9 is known for championship rosters, fierce innovation, and a community that pushes the boundaries of what’s possible. Whether you’re a gamer, a builder, or a curious creator, this is your chance to level up alongside a team that never stops evolving. In this hackathon, entrants will build or update a working application using the tools of their choice—plus optional support from JetBrains’ AI Coding Agent, Junie. Junie can help accelerate your workflow and unlock new ways to create, but the real spotlight is on you and the ideas you bring to the table. With exclusive resources like official esports data for League of Legends and VALORANT provided by GRID, expert guidance, and a prize pool that rewards innovation, this is your arena. Pick a category, lock in, and show Cloud9 what you can build. Why join?

Experiment with JetBrains IDEs + AI Coding Agent Junie

Official data provided by GRID

Compete for $25k cash prizes, GDC tickets + travel, and Cloud9 swag

Get Started

Review our Submission Specifics tab

Apply here to get access to the official esports data from GRID

Download and open your JetBrains IDE and start coding!

Learn how to create an AI-powered app with AI Coding Agent Junie