This is the editorial standard for the guide. A source review is not a claim that every procedure has been personally reproduced. Each article must identify what its evidence actually supports.
Collect
Start with the official game page, Steam listing, official updates, and the Steam achievement list. Keep source URLs and review dates with the claim. Missing or inaccessible evidence remains unavailable.
Research
Check that the source concerns the Angel Engine game and the relevant build. Read beyond a search snippet or headline. For gameplay evidence, record the visible context, platform, input device, and version when the source provides them; do not fill in missing details.
Separate
Distinguish official statements, community reports, independent observations, and interpretation. Keep demo observations separate from release-build instructions and game lore separate from similarly named series material. In-game puzzle or login inputs are not developer-issued redeem codes.
Verify
Match each factual claim to the source that supports it. Achievement text can establish a condition without establishing a method. Recheck changing details before treating them as current, and record conflicting or removed sources. A walkthrough checkpoint is not universal unless its build and platform have been verified.
Review
Review wording, citations, spoiler warnings, and translations together. Preserve qualifications in every language. Keep drafts out of published navigation until the content review passes. Record editorial updates separately from evidence verification, and use the correction policy when an error is identified.