: This is the first major puzzle in the chapter. You can find the hint for this code in the Office room .

: This requires collecting specific items and navigating back to the crafting area.

: A high-intensity chase sequence immediately following the security room segment.

: This is a missable branch. You must follow specific environmental hints to craft the Orb of Truth, which is essential for certain ending variations.

: A long "die and retry" section. The path has multiple bifurcations (2, 3, or 4 turns), and taking the wrong turn leads to immediate death. Endings & Critical Choices

: To obtain the final fuse, you must re-examine the scientist's corpse after initial interactions.

: Often cited as one of the most difficult parts of the chapter, this puzzle requires precise alignment to obtain the first fuse.

Chapter 7 features branching paths that lead toward the game's .