We take care of each other, meet every week to shoot the shit and do stuff. So far the group has caught pinball fever (we even have members of the group doing tournaments now), we have movie nights where some of us recommend strange and obscure movies for everyone to enjoy - this has been very successful in terms of lifting everyones spirits - and we have jam sessions, woodworking sessions, table tennis and other racquet-based game events, and so on.
It just snowballed organically. I was in a bar with a mate deliberating on whether there was anything else we could be doing except getting drunk in shady bars, and I noticed a pinball sticker. So we looked into that, caught the pinball fever, and things snowballed. Soon enough, there are 8 of us attending the regular pinball sessions in our city .. and in so doing, we've established some great bonds between us.
Its now at the point where if anyone of us needs something, we just ping the group chat and within minutes there is usually a show of helpful hands.
Wouldn't have happened if we hadn't discovered an activity that united us all, brought us together, and gave us the group context to add many other fun activities to the list.
We even have our own (cult-like) language and slang for things, its kinda funny to observe it evolve over the last 6 months .. and also to see new members adopt our strange language for things. Really amusing!
Try it, its a great way to make friends.