Offical URL: https://hackforces.org/

We're an online jeopardy CTF which is completely free to play and open to everyone, however, prizes will be awarded to Vietnamese teams only. The event format is restricted to teams, with challenges ranging from cryptography, pwning, reverse engineering, web or miscellaneous categories. The CTF is in English.
For more information visit our website: hackforces.org
This CTF is powered by Hackforces (facebook: https://www.facebook.com/hackforces.org/) - organized by team 0ni0n (facebook: https://www.facebook.com/0ni0nteam.vn) and collaborated with FPT University, HUTECH and Duy Tan University.
Notes: you need to create an account in hackforces.org platform, then use this account to join our CTF.