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The development book for Locke(d), providing supplementary information and secret artwork.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Official stores with direct support.
This is the base game required to play this DLC. Other expansions may also be required.
This is the development & art book for Locke(d), containing over 40 pages of background information, creator commentary, concept art, philosophical discussions, FAQs, and more!
This book contains spoilers. It is heavily recommended to play Locke(d) before looking through it.
You will find the Dev Book in the folder where you've installed Steam: steamapps / common / Locke(d)
