Games and creative

Death at Blackwood Manor.

A noir murder mystery in which you question the suspects with your own voice.

What it is.

The host of a dinner party is poisoned in a sealed manor, and one of seven guests is the killer. You search ten rooms for clues, keep a case notebook, and interrogate each suspect by speaking to them.

Suspects answer in their own synthesised voices, powered by Deepgram's Voice Agent API and an AI language model. When you are ready, you make one accusation, and a wrong one ends the case. We built it for Deepgram's GramJam 2026 game jam.

What it does.

  • Speak to the suspects

    Press Speak, ask your question, and the suspect replies aloud, with a caption and a transcript that you can reread.

  • Seven suspects

    Each has a role, secrets and a voice of their own.

  • Ten rooms to search

    Click hidden spots to find clues, and keep them in your notebook.

  • A different culprit each time

    The killer is chosen at random in every new game, and the clue positions are randomised.

  • A notebook you can dictate to

    Keep evidence and notes in one place, and dictate notes by voice.

  • One accusation

    Speak or click your accusation. You get one chance.

How it works

How to play.

  1. Get a key

    You need a Deepgram API key and a computer with a microphone. The start screen links to where you can get a key.

  2. Start the case

    Open the game, enter a detective name, paste your key and begin.

  3. Investigate

    Search the rooms for clues and question the suspects.

  4. Accuse

    When you are sure, name the killer.

Good to know.

Platform
Desktop web browser, with a microphone
Price
The game charges nothing. Its voice features use your own Deepgram API key, under Deepgram's terms
Status
Live
Data kept
Your key and name are held in your browser's memory only. Your voice is sent to Deepgram to power the conversation

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