Resources
Hong Kong Old Style (HKOS) Cheat Sheets
This is a two-sided cheat sheet for the Hong Kong Old Style (HKOS) Mahjong game. It has the Fan score calculation on one side, and the payout table, wall break diagram, list of all the tiles and terminology on the back side.
We have two versions for download: One with a Classical-style payout table (in which all players pays on a discard win) and a more Modern-style payout table (in which only the discarder pays).
Version 1.1 (July 3, 2025)
Version 1.1 (July 3, 2025)
We also have a Beginner's Guide which walks through the basic rules of Hong Kong style mahjong – a great resource for new players! This guide covers building and breaking the wall, rules around melding tiles and game flow.
Version 1.1 (July 31, 2025)
Sichuan Bloody Rules Cheat Sheets
This is a two-sided cheat sheet for the Sichuan Bloody Rules style Mahjong game. It has all scoring rules on the front, and the wall break diagram, list of tiles and a detailed rules breakdown on the back side.
Version 1.1 (January 19, 2026)