: Every 30 days, prisoners are gassed and randomly reassigned to a new level, arbitrarily shifting their status from "privileged" to "oppressed".
: Each level houses two prisoners. A platform laden with gourmet food descends from Level 0. It stops for a few minutes on each level; those at the top feast, while those at the bottom starve or resort to cannibalism.
Critics frequently cite the film as a blunt critique of socio-political structures. The Platform Explained (Ending, Hidden Meaning & Themes)