First, AI Adventure is an open-source, text-based RPG platform that uses state-of-the-art AI to create compelling storytelling. It has infinite customization options, a powerful adventure editor and can generate story, images and audio on the fly. You can also replace its built-in language models and prompts with your own for maximum flexibility for different storytelling needs.
Another option is Inworld, an AI engine that's designed to help game developers build more realistic AI agents and dynamic NPCs. With a real-time AI engine and a narrative graph framework for interactive storytelling, Inworld has tools for character creation, dialogue management and AI voice generation. It's geared for developers who want to increase player engagement and build more immersive game worlds.
If you want a more interactive text adventure, AI Dungeon combines deep learning with an immersive game. It's geared for fans of text adventures, offering infinitely generated content and interactive commands like save, load and use that let you explore an ever-changing world created by an AI. The system offers a fun and dynamic game.
Last, NovelAI is a subscription-based service that uses AI for storytelling and virtual companionship. It includes a text adventure module for interactive fiction, image generation for characters and tools for writing in a particular style. It's geared for people who want to create interactive stories and explore AI-generated content.