“Remain on the line. Your presence confirms consent.”The Interval Bureau: Extension 0 is a short, choice driven psychological horror game about corporate dread and identity, played entirely through a workplace hotline.No jump scares. Just language, policies, and the growing feeling that this call isn’t what it says it is.Length. Around 1 hour, meant to be played in one sitting.How you play. You press digits on a phone keypad and listen to what answers back.Routes. Different numbers send you to different departments, detours, and voices.Audio first. Fully voiced, with hold music and ambience. Headphones recommended for the best experience.Tone. Corporate / administrative horror.