Persona Engine

Persona Engine brings large language models (LLM) directly into your game!

It allows you: 

• generate world descriptions from prompts or write yourself,
• create deeply customisable characters with custom fields and triggers,
• hold real-time, persistent conversations with NPCs.

All running locally on the player’s machine without internet or API keys!

The package includes a full-featured editor with windows for model selection, backend switching, world's description generation or writing and a character editor with support for unlimited custom fields. 

At runtime, a dialogue system built on UI Toolkit provides a simple chat interface, history saving and automatic backend selection at build time.

Key Features:

• World generation from text positive+negative prompts.
• World description without using AI.
• Character editor with custom fields.
• Keyword-based triggers for NPC reactions.
• Dialogue system with history, typewriter effect and auto-save.
• CPU / CUDA 12 / Vulkan backend switching.
• Automatic model filtering at build.
• UI Toolkit interface, customisable via USS.
• Supports any .gguf model.