You Are a Bug โ€” DM Model (Qwen3-8B)

Fine-tune of Qwen3-8B for the You Are a Bug improvisational dungeon master, built for the Hugging Face Build Small Hackathon "Thousand Token Wood" track.

Status: Active checkpoint. Replaced the earlier Llama-3.2-3B base after playtesting showed the 3B model wasn't holding up.

What it does

Given a structured "card" (PLAYER / THE WORLD / WHAT JUST HAPPENED / PLAYER'S TURN), outputs a single JSON object: either a say (narration) or a roll (stat check with difficulty band). Code owns all randomness, arithmetic, and sheet mutations โ€” the model only narrates, decides if a roll is needed, and proposes the difficulty and which stat is tested.

Intended use

๐Ÿชฒ Drives the Gradio app here! ๐Ÿชฒ Very structured output tailor-made for the game engine โ€” not for general-purpose chatting.

Training

  • Base: Qwen/Qwen3-8B
  • Method: SFT to create a LoRA, merged, quantized, and exported as GGUF (Q8_0).
  • Dataset: a blend of hand-curated and bulk-generated turns covering a wide range of game states, user inputs, and bug types.
  • Hardware: Modal.com

Limitations

  • JSON output is strict โ€” the runtime has a lenient parser that degrades malformed output to say.
  • English only.
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