Advance through the factory and unravel its mysteries. Use objects you find on other objects. Submachine 4 : Discover the secrets of the submachine lab! Welcome to my walkthrough for Submachine 4: The Lab. Submachine 4: The Lab; Submachine 5: The Root; Outside the main storyline, and yet still another great Submachine, is a game created for the band Future Loop Foundation:Hi, It’s here! The latest installment in popular Submachine series.