Official Free Capture The Flag Challenges

We offer a free community CTF platform that is continuously being updated with new challenges.

Send by email

To sign up for our CTFs, you must first join our Community Discord. Then follow these instructions to start solving:

Accept Invite

2. Discord will automatically open if you have a discord account. You will see the “OP” Infophreak Discord icon. Click on that.

Go to infophreak server in discord

3. Answer all 3 Onboarding Questions.

4. Read and agree to the Server Rules.

Agree to server rules

5. In the left pane, go to the "forums" channel. Then click "Infophreak Community CTFs".

Go to forums and then click "Infophreak Community CTFs"

6. You will be brought to the Community CTF page (shown below).

Get the registration code from the Community CTF discord page

7. Type !ctfsu anywhere in the server. (Make sure to read the Important Note).

Bot invite command
Signup Instructions

8. Visit our CTF website and click on ‘register’.

Go to ctf.infophreak.com and click register

9. Fill in registration information. Use the registration code given to you by Phreakbot here.

Complete registration form and use registration code

11. Begin climbing the leaderboard!