Plan the adventure
Discuss tone, campaign length, player hooks and what happens next. Ask for choices and suggestions when you’re unsure.
YOUR CAMPAIGN WORKSHOP
Less juggling.
More adventure.
Keep your story, characters, worlds and encounters in a local campaign workspace. Prepare the session, set the atmosphere, then run the adventure.
FROM FIRST IDEA TO GAME NIGHT
A campaign worth
gathering around.
Write the adventure, build its locations, and run it at the table. Your notes, encounters and sounds belong together.
PREPARE. PLAY. KEEP THE STORY GOING.
Your whole session,
in one place.
- Dungeon-master runbooks Read-aloud scenes, private notes, choices and consequences.
- A soundboard with atmosphere Local audio, looping ambience and cues for your adventure.
- A creative companion, if you want one Discuss ideas by text or live voice; develop stories, art and terrain layouts.
Optional online AI requires your own OpenAI API key and separately billed usage. Manual campaign editing and local sounds work offline.
Explore the campaign builder →AN OPTIONAL CREATIVE COMPANION
Talk it through.
Make it your own.
AI can help when the blank page is the hardest part. You decide what becomes part of the story.
Write & illustrate
Develop characters, encounters, DM notes and handouts. Use optional image generation for campaign covers and scene artwork.
Build together
Give the assistant campaign and terrain context. Review proposed changes, or enable workspace agent actions in the client settings.
AI IS OPTIONAL · PERSONAL OPENAI API REQUIRED
Your key. Your choice.
The editor works without AI. Online AI requests use your own provider account and are billed separately.
Set up your API account
Create an OpenAI platform account, configure API billing and create a secret key. API usage is separate from a ChatGPT subscription.
OpenAI API settings ↗Connect inside the app
Open AI setup in Terrain Foundry, enter your key and select your chat, voice and image models. Model access depends on your provider account.
Choose what to use
Type, dictate or talk live. Requests send your prompt and relevant campaign context to the selected provider; live voice also sends audio. Review generated content before play.
Local projects. Optional online services.
Your saved campaign stays on your PC. Choosing AI involves online processing under the provider’s terms. Turn it off and continue editing, using your runbook and playing local sounds offline.