San Francisco, CA · Founded 2025 · Privately Held (backing)
Developer of browser-based interactive experiences designed for the rapid deployment of digital game formats. Fifth Door is based in San Francisco, CA and was founded in 2025. Its last reported valuation was $104 million in Nov 2025. It has raised $20.5 million.
Last reported valuation
$104.0M
Oct 2026
Priced at
—
Total raised
$20.5M
Last round
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Cap table — not yet on record
Fifth Door's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·Watch Fifth Door: the Monday email on marks, rounds and moves
