I made this server a couple of years ago when Discord was picking up and I noticed a decline in IRC usage and an increase in Discord usage. It currently has around 1,500 users (with something like 50+ game developers, yes there's actual gamedev discussion in this thing) and is by far the most active server in the genre, with anywhere from 1000 - 2000 messages per day.
Channels are:

If it's not your thing, that's cool. But if it be, feel free to join. There's avenues such as perks for game developers to promote their own stuff without having to go through me personally (which by extension means I'll check it out and likely tweet about it), as well as perks for composers, publishers, and artists.
The server is safe for work. There's rules in place so people aren't shitting it up constantly. There are already a fair amount of forum users using the server. I'm not super active on the forum itself any more but I'm checking the server daily.
It might seem like advertising, but I really don't need to, the server is already independent. I know these threads have a discourse for forum enthusiasts to talk about Discord's actual worth (judging by these threads in the past), and that's understandable as I've been using forums myself dating as far back as 1999, but this is more of an announcement than anything else. I'm just here to draw people's attention that this is a thing that exists.