During the initial outbreak of the Thing within the facility, he barricaded himself in one of the laboratory's chambers. Luckily, Blake, who had just regained consciousness, was able to rescue Falchek and earned his trust. However, his alliance with Blake also resulted in him being put in Whitley's extermination list. Falchek, along with Blake, Dixon and Fisk, fought his way through both the dreaded Thing Beasts (rooting out Imitations like Carter and Stanmore) and Whitley's elite Black Ops units. Nevertheless, he eventually became an Imitator himself and Blake was forced to kill him.
- According to a developer interview with Lead Programmer Diarmid Campbell, Falchek's face was modeled after the game's Lead Designer Andrew Curtis. He also explains that many of the NPCs and squad members are based on photos taken from the developers.