Play instantly in your browser — no install or payment
From your first hand to real Riichi play
Practice riichi, dora, furiten and scoring against AI or friends.
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.