PA announcement reveals the last car will be cut off from the train (What do the victims see once they reach the deck, their first view of the outside world after waking up?)

2%

The infernal train carries on unceasingly with no hope for escape. (One carriage has been locked until now. What is hidden in the mysterious Car #37?)

7%

The passengers find safety in groups of two (How do they escape from these locked rooms, and can they trust their partner?)

7%

An impossible train car appears (What's different about this room compared to all of the others? or simply How is this possible?)

14%

The train cars have all changed order (What caused the reorganization of these train cars?)

5%

A dead-man's switch must be held at all times (Who takes this initial responsibility? What happens to the train if the dead man's switch isn't properly maintained?)

33%

The lights go out, electricity is out (What (or who) caused the power to go out, and what strange thing happens if the power is out for too long?)

5%

A critical crew member dies (Who killed them? How do the others punish them for this death?)

5%

Strangers appear despite the train never stopping (Where did they come from? What relationship do they share with each other?)

21%