ZeroArenaCTF is a 28-hour online Capture The Flag competition open to everyone, from curious beginners to seasoned professionals. Taking place on May 29–30, 2026, ZeroArena features hand-crafted challenges across Web, Cryptography, Reverse Engineering, Pwn, and Miscellaneous, designed to push your limits and reward creative thinking.
Whether you're just starting your journey in cybersecurity or you've been playing CTFs for years, ZeroArena has something built for you. No filler, no recycled content, every challenge is original, tested, and made to make you think.
Form your team, sharpen your tools, and prove yourself in the arena.
The flag won't capture itself.