We are named Hopper's Roppers and are a small crew of hackers who are trying to get better and support each other. This is a very informal thing, so don't worry about taking on a commitment.
We try to play every few weekends, so if the competition is on CTF Time, anyone can sound the call to arms and see who they can get to sign up. There is no pressure to be there every weekend, or even every 6 months, just show up when you can and contribute what you can. Everyone can help!
In our Slack, check out the #ctftime channel to join the party.