SumJong
About SumJong
Math and Mahjong combined. Create valid sums with free tiles.
How to play SumJong
This game is built for a wide screen. Use your mouse or the arrow keys to play, and click Play to start - it runs in this page, with nothing to install.
SumJong screenshots
Frequently asked questions
Is SumJong free to play?
Yes. SumJong is free to play in full, with no payment, no trial and no sign-up.
Do I need to download SumJong?
No. SumJong runs inside this page in your browser. There is nothing to install.
Can I play SumJong on a phone?
Yes. SumJong runs in a mobile browser as well as on a desktop, so you can play it on a phone or tablet without an app.
