Play instantly in your browser — no install or payment
Korean Mahjong, playable anywhere
Discover Korean rules, practice against AI, or invite friends to a free four-player table.
What you can do in World Mahjong
01
Practice comfortably against AI
02
Invite friends to a four-player room with one link
03
Continue on desktop or mobile
Frequently asked questions
Do I need to install anything?
No. It runs in your browser and can be added to your home screen like an app.
Can beginners play?
Step-by-step Korean and Riichi courses lead directly into AI practice.
Can I play with friends?
Create a room and send one invite link for instant joining.