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About RiichiCity × KAKEGURUI2 Collab
Riichi City is a free‑to‑play Japanese riichi mahjong title that delivers authentic tile randomness and a full set of yaku such as Pinfu, Chinitsu, and Kokushi Musou. The game runs on Windows, macOS and Linux, letting players join matches from any supported desktop platform.
The city‑scape setting includes mahjong houses, cafés and convenience stores, while fully voiced ACG characters provide distinct personalities. Beginner‑friendly tools like tutorials, hints and a spectator mode help new players, and regular community events add competitive variety.
01 / THE GUIDE
Free and Fair Play
All game modes and features are available without payment, and tile draws are described as truly random with no hidden adjustments, creating an equal footing for every participant.
Multiplayer matches can be entered at any time, and the cross‑platform support listed for Windows, macOS and Linux lets users on those systems compete together.
- Start with the free tutorial to learn basic actions before joining a match.
- Check the settings to confirm you are playing on a random‑tile mode.
02 / THE GUIDE
Real‑Life Design Elements
The in‑game city features locations such as mahjong houses, cafés and convenience stores, mirroring places where Japanese mahjong is traditionally played.
These environments are intended to give a sense of live competition, supporting fast‑paced Japanese mahjong matches within the app.
- Visit each venue to become familiar with its visual layout.
- Use the city backdrop as a reference when reviewing replays.

03 / THE GUIDE
ACG Characters and Voice Acting
Players can select from a roster of ACG characters, each described as having a unique playing style ranging from aggressive to defensive.
All characters are fully voiced by well‑known Japanese voice actors, providing spoken lines during matches.
- Listen to a character’s voice lines to gauge their personality.
- Try a few characters to see which style feels comfortable.
04 / THE GUIDE
Beginner‑Friendly Functions
The game includes tutorials, a game log, spectator mode, hints for winning tiles, auto hints and point calculation, all aimed at easing new players into riichi rules.
Additional tips for drawing and discarding tiles are provided, helping beginners transition toward competitive play.
- Enable auto hints in early games to see suggested discards.
- Review the game log after a match to spot recurring mistakes.
05 / THE GUIDE
Community and Events
Riichi City runs knockout tournaments, Japanese mahjong matches and limited‑time challenges, each offering prizes as described in the event details.
Players can communicate with a global community through in‑app chat, and support is reachable via the listed email address.
- Join a limited‑time challenge to experience the event format.
- Use the chat to ask questions about tile strategies.





COMMUNITY
Player discussion