Quick answer
Advance in a loop: read the current objective, search reachable side rooms, resolve the tool or cipher blocking the main route, then verify that a save trigger occurred before a major transition. Avoid starting Chapter 2 directly if you want the normal transferred inventory state.
Spoiler-light route discipline
- Photograph maps and label changes added by the current patch.
- Keep unique tools until their purpose is resolved.
- Leave optional supplies in a known safe location rather than discarding them randomly.
- Prepare weapon and health state before opening an unknown transition.
- If a door or transport interaction fails, update and retry from the latest valid checkpoint.
Version 1.03 notes that directly starting Chapter 2 can omit optional items normally transferred from Chapter 1, including several tools and one attachment. The same patch lists possible fixes for elevators, doors, and a boat-related progression state, while also retaining known issues.
Evidence boundary
The community walkthrough describes a two-chapter route and named locations, but this page does not claim that its precise pickup order is the only valid path. It also avoids reproducing exact ciphers or asserting a complete item-transfer matrix beyond the official patch warning.