YC active company list audit

Fifth Door

Fifth Door: Create and play games with AI. Headquartered in San Francisco, CA, United States. Current operating status: active.

Oomira checked this YC company record against source evidence and keeps the current facts, observed dates, and provenance visible before the interactive app loads.

18 facts3 sources2 superseded claims

What changed in the audit

external name

Gaming + Gen AI -> Fifth Door
2026-06-12 · yc-oss record id 30569: field "former_names" includes "Gaming + Gen AI"

external name

Placeholder -> Fifth Door
2026-06-13 · YC directory former_names includes "Placeholder"

Summary: Create and play games with AI
Description: Fifth Door unlocks the power of imagination by making it easy for everyone to create, share, and play games anywhere, with anyone. We exist to stimulate the creativity, connection...
Website: https://fifthdoor.com
Hiring: yes
Headquarters: San Francisco, CA, United States
Operating status: active
Industry: Consumer

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