Mahjong
The longest running online English language riichi mahjong community, Osamuko.
discord.gg/mahjongVanity URLCommunityWelcome Screen EnabledInvite SplashAuto ModerationSoundboardDiscoverableBannerAnimated IconNewsAnimated BannerThreads EnabledRole Iconscreated Feb 20, 2016id 150412836500275200
5,116
members
1,599
online now
31.3%
active ratio
85
legitimacy score
14
Nitro boosts
High
verification gate
6h ago
last measured
How the legitimacy score of 85 is calculated
Activity +35 31.3% onlineVerified / partner +0 noAge +15 10.7 yrSize +15 5,116 membersCommunity status +10 discoverableTrack record +10 measured 51 day(s) over 67d
📈 Measured live across 51 days (67d tracked, 52 snapshots). 🔗 Linked 5 times across the web. 😀 252 custom emojis, 14 stickers.
Bigger than 87% of Gaming servers (127,054 measured)
Discord-measured game activity
Discord's own per-game activity figure for this server, as published by Discord — not our measurement.
| Game | Activity score |
|---|---|
| Mahjong Soul | 1,559 |
| 麻雀一番街 - オンライン対戦麻雀ゲーム | 717 |
Member history
Measured 105 times; its member count changed 49 times.
Invites seen
| Code | Type | Status | Last live |
|---|---|---|---|
| discord.gg/mahjong | vanity · primary | live | 6h ago |
| discord.gg/ySmYbxq | invite | live | 66d ago |
| discord.gg/HehJtrH | invite | live | 66d ago |
| discord.gg/0q5d4X90F73rQKUY | invite | live | 66d ago |
| discord.gg/NZ4XEVP | invite | live | 66d ago |
Same-operator servers
Other servers whose invites were created by the same account — often one operator or a network.
 Australian Riichi Mahjong Association | 1,009 |
 Competitive Riichi Hub | 639 |
 Riichi Canada | 500 |
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.