News and updatesRiichi City - Japanese MahjongRiichi City × The Quintessential Quintuplets Collaboration Confirmed!Riichi City × The Quintessential Quintuplets Collaboration Confirmed!28 Nov 2025·Developer postXRedditFacebookCopy linkSource: Steam Community (opens in a new tab)Watch on YouTube── Teaser PV Released ──Stay tuned for follow-up news!
