Official forums for BZFlag.org

I can not figure out how or where to register my callsign.

There must be some documentation somewhere that needs to be improved, because signing up on this forum is how you register a BZFlag call sign. Since you have done that successfully, just put [G]67[P] into your BZFlag game client and use the same password you use here. That should give you the + you desire.

I could be completely wrong, but if my memory serves right, you can play unregistered on several servers without any issue unless you use an already registered callsign - then you get a warning that the callsign is registered and instructions on where to go to register your own. I'm sure there's directions outside of that to instruct new players, but I'm not sure where they would be. Might be a useful thing to post prominently for those who do want to register.