As the game progresses, the protagonist begins to remember the past and it is eventually revealed that the trek is not headed deeper into the mine, but out of it.

The player regains control and can go pick up the scanner again, but this time the protagonist is shocked to see that their arms are made entirely of glowing dots.

[3] The prototype was developed in one month during 2015 by several members at the studio while they were working on content updates for their previous game Prison Architect.

[5] Virtual reality compatibility has been implemented into the game post-release, supporting both the HTC Vive and Oculus Rift, and was released in late June 2017.

Introversion Software's Chris Delay claimed that the developer was very disappointed with the game's sales and that it had "bombed in a big way".