Here are some topical chat rooms:
- Movies: https://patter.chat/591 Movie Club (591)
- Music: Frederick's Music Lounge (1131)
- Games (video, board): Games (153)
- Politics: Politics (87)
- News: Global News (497)
- Technology: All Things Tech (508)
- Software projects: hacking space (212)
- Work: work chat (1532)
You can ask for other suggestions if you're looking for something, or start your own room and let folks know!