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Riichi City - Japanese Mahjong
Riichi City is a competitive urban-style Anime mahjong game, featuring beginner-friendly mahjong tutorials, Ranked Matches and tournaments crowded with masters! Spice up the experience with our ACG characters voiced by famous CVs, and attractive items and decorations! Set off for Riichi City now!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“Do not trust the steam review rating on this game. If you sort it by only showing English reviews, the game actually sits at a Mostly Positive rating, which is much more fair. It seems like a lot of the Chinese players who got a bad luck streak blame it on the game, claiming it…”
— a player, Steam review · 41 hrs played“When I installed this game, I had no idea what Mahjong or Riichi even was. Riichi City genuinely taught me how to play and helped me fall in love with the game. The interface is excellent, there’s plenty of customization, and the character designs are great. The collaborations…”
— a player, Steam review · 129 hrs played“as far as the mahjong part of the game is amazing, especially the lessons you can take to learn how to play, everything else feels more like an average gacha game rather than a game centered around mahjong... not too fond of that many menus with a million different gacha banners”
— a player, Steam review · 1 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-24 01:19 UTC · history via SteamCharts.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
🍓 Anniversary Exclusive Outfit・Sweet Cake Party（SP）🍓
CV : Ueda Reina "The strawberry isn't just sinking into the cream. It's melting on the tip of your tongue." 🔜 Coming Soon: Thursday, July 30th
🔮 Anniversary Exclusive Outfit・Witch's Blue Oath（SP）🔮
CV : Takahashi Minami "Sei doch leiser... It's just you and me now." 🔜 Coming Soon: Thursday, July 30th
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Player tags | Sexual Content · Casual · Anime · Psychological Horror · Thriller · Card Game · Horror · Cute · Modern · Strategy · RTS · Card Battler (SteamSpy community voting) |
| Features | Multi-player · PvP · Online PvP · Cross-Platform Multiplayer · In-App Purchases |
| Languages | English, Japanese * , Traditional Chinese, Simplified Chinese * |
| Estimated owners | 200,000 – 500,000 (SteamSpy) |
| Official site | https://www.mahjong-jp.com |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 SP1以上 Processor: Intel Pentium Dual CPU E2180 2.00GHz Memory: 2 GB RAM Graphics: GeForce GT 430 / ATI Radeon HD 2600XT DirectX: Version 10 Network: Broadband Internet connection Storage: 500 MB available space