Solutions by area
- Safe codes — a compact lookup with the clue or quest state required for each lock.
- To Martin wall safe and Fuse Box — code 1908, the Apartment 5/6 label disagreement, radio-shop fuses, and validation.
- Devil’s Reef Hotel — Room 301, Lorelei keys, and ventilation.
- Akeley Hospital — the Prism route and Wireless Room frequencies.
- Arkham Fish Market — locker, Salt Storage, Leyden Jars, and the 6294 memory safe.
Before entering a solution
Check whether the interaction is actually active. Several mechanisms appear before their last clue, tool, or quest state becomes available. A correct input will not repair a missing prerequisite.
Evidence-limited pages
Holloway Manor remains unpublished. The available public material does not yet provide a complete DLC route corroborated by two independent publishers, so this index does not link to a partial answer.
Sources
- GameSpew — checked 2026-08-21
- dq7reimagined — checked 2026-08-21
- NerdsChalk — checked 2026-08-21
Reviewed: 8/21/2026