Mahjong
The longest running online English language riichi mahjong community, Osamuko.
discord.gg/mahjongNewsThreads EnabledWelcome Screen EnabledInvite SplashAnimated BannerRole IconsBannerAuto ModerationAnimated IconDiscoverableCommunityVanity URLSoundboardcreated Feb 20, 2016id 150412836500275200
5,083
members
1,330
online now
26.2%
active ratio
83
legitimacy score
14
Nitro boosts
High
verification gate
1h ago
last measured
How the legitimacy score of 83 is calculated
Activity +35 26.2% onlineVerified / partner +0 noAge +15 10.6 yrSize +15 5,083 membersCommunity status +10 discoverableTrack record +8 measured 35 day(s) over 46d
📈 Measured live across 35 days (46d tracked, 36 snapshots). 🔗 Linked 5 times across the web. 😀 252 custom emojis, 14 stickers.
Member history
Measured 58 times; its member count changed 34 times.
Invites seen
| Code | Type | Status | Last live |
|---|---|---|---|
| discord.gg/mahjong | vanity · primary | live | 1h ago |
| discord.gg/ySmYbxq | invite | live | 45d ago |
| discord.gg/HehJtrH | invite | live | 45d ago |
| discord.gg/0q5d4X90F73rQKUY | invite | live | 45d ago |
| discord.gg/NZ4XEVP | invite | live | 46d ago |
Same-operator servers
Other servers whose invites were created by the same account — often one operator or a network.
 Australian Riichi Mahjong Association | 1,000 |
 Competitive Riichi Hub | 641 |
 Riichi Canada | 495 |
Embed & API. 
<img src="https://guildregister.com/badge/150412836500275200.svg"> · JSON · Own this server? Claim itFirst seen Aug 10, 2026. Member and online counts are Discord's own approximate counts, measured from the public invite API. GuildRegister is not affiliated with Discord.