See also: Immurement Registry
This article is about the anomalous location. For the corresponding Portal World from a gameplay perspective, see: The Train
Lore
Recursive, super-positioned location. The momentum of the train corresponds to the strong atomic force of the matter of the portal world. If it stopped, our galaxy would be destroyed due to the release of all potential energy contained within this anomaly's atoms. The train is practically a mini-facility after being outfitted with a Laboratory.