You can find our IRC web-client here.
Connect with an IRC client via irc.freegamedev.net, or use our XMPP/Jabber gateway
For manual connection use irc.freegamedev.net port: 6697 and enable SSL.
Once you are registered with NickServ, SASL login is required (bouncer function of Ergo IRCd).
Some rooms are also bridged to Matrix for example #general:irc.freegamedev.net