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Koei Tecmo Unveils AI Chat RPG 'RyzaChat' Based on Atelier Ryza Series

WireByte Staff · August 4, 2026

Japanese game developer Koei Tecmo has announced RyzaChat: Your Midsummer Dream Story with AI Ryza, an AI chat RPG set in the Atelier Ryza universe. The game features conversations with an AI chatbot version of protagonist Ryza, exploration, and quests. Koei Tecmo partnered with SpiralAI to develop the game, which promises responsible AI use.

Key points

  • Koei Tecmo, a Japanese game developer, has announced RyzaChat: Your Midsummer Dream Story with AI Ryza, an AI chat RPG based on the Atelier Ryza series.
  • The game features conversations with an AI chatbot version of protagonist Ryza, allowing players to explore, gather materials, and complete quests.
  • Koei Tecmo partnered with SpiralAI, a Japanese tech startup behind the large language model Geppetto2, to develop the game.
  • SpiralAI promised responsible AI use in the game, excluding AI-generated video or images.
  • RyzaChat is set to release on iOS and Android, but a specific release date has not been announced.

Koei Tecmo Unveils AI Chat RPG 'RyzaChat' Based on Atelier Ryza Series

Japanese game developer Koei Tecmo has announced RyzaChat: Your Midsummer Dream Story with AI Ryza, an AI chat RPG set in the Atelier Ryza universe. The game features conversations with an AI chatbot version of protagonist Ryza, allowing players to explore, gather materials, and complete quests.

Koei Tecmo partnered with SpiralAI, a Japanese tech startup behind the large language model Geppetto2, to develop the game. SpiralAI promised responsible AI use in the game, excluding AI-generated video or images. The game's Chat Mode allows players to talk with Ryza directly, and she can make different facial expressions and gestures in response to conversations.

RyzaChat is set to release on iOS and Android, but a specific release date has not been announced. The game's announcement has sparked mixed reactions, with some critics calling it a 'nightmare' and others seeing it as an innovative use of AI technology in gaming.

Sources

WireByte Staff — Editorial Team

The WireByte editorial team synthesises technology news from multiple primary sources, verifies the facts, and links every source. Articles are produced with AI assistance and reviewed under our editorial policy.