Riichi City - Japanese Mahjong Online

Did Riichi City - Japanese Mahjong Online use generative AI?

We found source-linked indications of generative AI use for this game. Read the cited disclosures or reports for the exact scope.

This check covers generated art, writing, audio and other content, plus development tools when disclosed. Scripted enemy behavior and ordinary procedural generation do not count. Lack of evidence does not prove no AI was used.

Last checked 2026-10-13

What the sources say

• Development workflow

  The developers stated they have clear regulations not to use any AI tools during game production (no generative-AI use in development). [1]

• Development workflow

  A developer responding on Steam wrote the team did not launch any official AI (aside from friend-room bots) and that reports of AI accounts are handled as misuse, indicating no use of generative-AI systems to operate or create the game. [2]

Sources

1. [1]note.com
2. [2]steamcommunity.com