The "Into Infinity" star, who came right off 'The Penguin' to film the Netflix space epic, explains how creator Charlie Brooker "dialed up the dementedness," which keeps the saga open for a possible trilogy.

As returning star Cristin Milioti explains to PEOPLE, the long-awaited continuation of the "USS Callister" storyline — which saw digital clones of employees being trapped inside a VR-based massively multiplayer online game by their boss — went through many different iterations before settling on what debuted on Thursday,

It turns out the captain, Robert Daly (a not-so-friendly Jesse Plemons) had cloned his workplace and kept his colleagues captive within a video game. By the end of the episode, Daly met his (well-deserved) end, the crew was finally free. The “Infinity” game’s universe was at their disposal.