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
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Total raised
$20.5M
Last round
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Team — not yet on record
No current team members for Fifth Door are on record yet. People surface from round filings, company disclosures, and coverage sessions.
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·Watch Fifth Door: the Monday email on marks, rounds and moves
