Not really a suggestion, but I noticed in my quest to find out how to see the amount of free chunks I have, that
a- https://www.noobscraft.com/free/ doesn't list how many I can still buy for 0
b- https://www.noobscraft.com/free/ could use the text: Check in-game with : /wild free
...

At the current time this is the case because of how it was initially set up in a technical sense; the free chunk site based features are stored locally on the site and then sent to the server when you earn a free chunk, whereas how many free chunks you can actually claim are stored server side. It is a longer term plan to move these features both over to the server and then simply pull them as needed on the site, it just wasn't implemented like that originally. I've created a work item to do this which you can view at https://www.noobscraft.com/work/full/free-wilderness-chunks-merge/.

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...could we get a bit more than 6 friends? .. I am not really sure why it could be a limit of sorts, why not 8 or 10 or 12?...

This is planned; I'm going to be increasing both the Wilderness Builders and Wilderness Friends limits, that will come out with the update to the Wilderness system hopefully coming by the end of this month.

Little bit late, but while we're on the subject....

I'd love to see the time to the next free chunk added to the output for /wild free, if it's available.  Right now one has to to the URL to find that out.  It'd be nice not to have the number and time 'till in different places.

Perfectly understandable....eventually works for me.