Treat an obstacle as a note
A locked door or hidden path is useful information even when you cannot proceed. Remember where it is and what kind of barrier it appears to be, rather than assuming the area is permanently inaccessible.
The official description confirms the broad pattern of finding new tools or weapons and opening additional areas. It does not publish a complete map or the exact solution to each obstacle.
Revisit after your options change
When a new item or weapon becomes available, consider returning to earlier routes. The publisher describes this as a Metroidvania-style progression in which discoveries change where Red Walker can go.
Keep your own notes about locations and visible clues. This helps organize exploration without turning an unverified guess into a published route instruction.
Separate confirmed structure from a walkthrough
Puzzles, locked doors, hidden paths and newly accessible town areas are confirmed features. Exact room order, coordinates, item locations and puzzle answers need current-build evidence before a guide can claim them.
The separate demo and full game may differ. Check which version a route describes before relying on it.