a list of all rooms, recently active rooms first
13 mins ago  Weekly Zendo game, in 2 hours  code jam, in 24 hours  Weekly spyfall game

The Spam Blot

Graphic Design spam notices from Smoke Detector
12h ago – SmokeDetector
11

Problem Solving Strategies

For MathJax see https://meta.stackexchange.com/a/220976. Related rooms: Mathematics (https://chat.stackexchange.com/rooms/76340/jee-maths-problems) and Chemistry (https://chat.stackexchange.com/rooms/74807/jee-high-school-chemistry-problems).
12h ago – Abcd
sammy gerbil: 1d ago, 1262 posts (1%)
171

CSIR-TIFR-ISI-NBHM

A chat room for cracking the PhD entrance exams.
12h ago – vidyarthi
vidyarthi: 12h ago, 527 posts (8%)
6k
20

Convención Bilbao

Chat para discutir y comentar el progreso e ideas
13h ago – Paula_plus_plus
lois6b: 14h ago, 25 posts (27%)
92
6

The Classroom

General discussion for https://cseducators.stackexchange.com.
13h ago – Ben I.
Ben I.: 13h ago, 7319 posts (17%)Henry WH Hack v2.1.2: 227d ago, 2735 posts (6%)Rory Alsop: 273d ago, 111 posts (0%)
84

La Tertulia

Lugar de chateo para los grammar punkies de Spanish Language https://spanish.stackexchange.com/
14h ago – James Bolivar
29

mempool

A place to chat about the Bitcoin Stackexchange, cryptocurrencies in general, and anything else that might be up.
20k
105

Hub of Reason

General discussion about http://skeptics.stackexchange.com/
16h ago – MichaelK
Oddthinking: 2d ago, 2320 posts (9%)Mad Scientist: 33d ago, 685 posts (2%)Martin James: no posts
234

05AB1E - Oasis

For discussing and golfing in 05AB1E and Oasis
16h ago – Kevin Cruijssen
Emigna: 7d ago, 1368 posts (22%)
27

PPCG-gaming

For PPCG users to discuss and play video games and board games. Discord server: https://discord.gg/FfwjCFE
17h ago – Martin Ender
Nathan Merrill: 19h ago, 2879 posts (17%)El'endia Starman: 19h ago, 849 posts (5%)Mego: 1d ago, 768 posts (4%)J. Sallé: 14d ago, 4 posts (0%)
33

The Observatory

general chat for http://astronomy.stackexchange.com/
17h ago – uhoh
76

Mercio_and_Rudi

chatroom for contact exchange
17h ago – Rudi_Birnbaum
2k
2

Linear & Abstract algebra

For any discussion concerning linear, abstract or even elementary algebra
18h ago – Martin Sleziak
66

Svg_chat

Скорая помощь SVG. Спецификация на русском https://ru.stackoverflow.com/a/825963/28748
18h ago – Arthur
15k
34

You Are Here

Chat room for Travel.SE http://travel.stackexchange.com
18h ago – Zach Lipton
Zach Lipton: 18h ago, 2944 posts (1%)gparyani: 3d ago, 82 posts (0%)Rory Alsop: 28d ago, 838 posts (0%)Greg Hewgill: 37d ago, 70 posts (0%)phoog: 49d ago, 1282 posts (0%)
354

SFF community cleanup room

Where the community chips in to help clean up http://scifi.stackexchange.com - bring safety gloves and Marshal badges
19h ago – SmokeDetector
Mithrandir: 19d ago, 1173 posts (31%)
19

Jukebox

For music sharing and discussion
19h ago – GodEmperorDune
GodEmperorDune: 19h ago, 141 posts (19%)Chippies: 3d ago, 40 posts (5%)Slowpoke: 11d ago, 25 posts (3%)
710
10

Social Behavior Mathematics

Game theory, decision making, networked systems, mechanism design
20h ago – johnny09
1
0

Primes and Squares

For discussion about programming, math, linguistics, science, and related topics. Not about PPCG (the site itself) or golfing.
20h ago – Nathan Merrill
Nathan Merrill: 20h ago, 6465 posts (23%)El'endia Starman: 20h ago, 4151 posts (15%)
50

­Trash

Where the trash goes.
21h ago – John Militer
Makyen: no posts
44
7
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