Hello! I was just wondering how new user friendly some of the easier challenges are? The UI looks amazing if not a little overwhelming so I just wanted to ask before I got started.
First, you should try Security Shepherd  which doesn't require a VPN. If you already set up your VPN you can try Metasploitable 2 and challenges. Depends on how advanced you are.
 https://security-shepherd.ctf365.com http://metasploitable.ctf (10.195.2.2 -- if you already have VPN set it up)