An Independent Game Studio

Worlds that talk back.

Tech Duinnin builds AI-native games — living worlds where the story is written in the telling, and no two voyages are ever the same.

Named for Tech Duinn, the island where the old Irish stories say every voyage ends. Ours is where they begin.

Flagship Voyage

IMMRAMA

Voyages of the Otherworlds

Sail beyond the ninth wave into worlds kept alive by AI — speak to anyone in your own words, break an ancient curse, or forge an Otherworld of your own and share it. Volume One, Tethysia, is playable free in your browser.

The Studio

Small crew. Deep water.

Tech Duinnin LLC is an independent studio exploring what games become when the world itself can improvise — when characters remember you, places react to you, and the narrative is navigated rather than read.

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AI-native, not AI-garnished

Our worlds are built around living language models from the keel up — dialogue, consequence, and story generation are the engine, not a gimmick bolted on.

Anchored in craft

Deterministic game systems keep every voyage fair and recoverable. The AI improvises; the rules hold the tiller.

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Rooted in myth

The immrama were Ireland's great voyage-tales — sailors crossing into Otherworlds. We're building the modern kind: yours to sail, yours to tell.

Contact

Hail the crew

Press, partnerships, or a tale from your own voyage — we read everything.

david@techduinnin.com