Hackster CTF is a product by Hackster Sec that provides a platform to conduct Jeopardy-style (static challenges) Capture The Flag events with maximum ease.

Users can join globally or via organizations. Public CTFs are open to all; org CTFs may be restricted.

Hackster CTF is absolutely free for all players!

No installations are required — it runs fully in your browser.

Log in via Google using your Gmail or official org email.

Depends on the organizer — both solo and team formats are supported.

Challenge types vary — organizers handle the content.

Progress is securely stored in our high-grade database infrastructure.

No worries — just click the play button to continue.

No negative marking. Points awarded for correct submissions only.

Yes — organizers can enable/disable dynamic scoring.

Typically HKSTR{...}, but organizers can customize it.

Reach out directly to the event organizer.

Use the 'Contact Us' form to report bugs or issues.

Clear your cache or switch to Chrome. Still facing issues? Use the Contact Us form or connect via socials under the Community tab.

We only use your data to verify your identity. Also it would be mentioned clearly while logging in with Google.

Global CTFs are public; org-hosted CTFs are private.