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Active Competitions

CTF Contests

Join live competitions and test your skills against teams worldwide

Hack for a Change 2026 May: UN SDG 1

Upcoming

Starts: May 19, 2026, 00:00 UTC
Ends: May 21, 2026, 23:59 UTC

Timed Events

Contests run for a set duration. Solve challenges before time runs out!

Team-Based

Compete with your team. Collaborate in real-time and share progress.

SDG Themed

Each contest focuses on a UN Sustainable Development Goal theme.