Overview

The Interval Bureau: Extension 0 is a narrative-driven psychological horror experience developed and published by Quiet Den Games. This short, choice-based game plunges players into the unsettling world of corporate dread and fractured identity, all experienced through the confines of a workplace hotline. Eschewing jump scares, the game focuses on the power of language, policy, and an escalating sense of unease to create its chilling atmosphere. Players interact by pressing digits on a phone keypad, listening to the responses that unfold, and navigating different routes by dialing various numbers, each leading to distinct departments, narrative detours, and unsettling voices.

Highlights

  • This is a choice-driven psychological horror game with a strong emphasis on story and atmosphere.
  • Gameplay revolves around interacting via a phone keypad, with fully voiced audio guiding the experience.
  • Developed and published by Quiet Den Games, it offers a concise, around 1-hour playtime suitable for a single sitting.

Who It's For

This game is ideal for players who enjoy narrative-heavy experiences, psychological horror that relies on atmosphere and unsettling themes rather than cheap scares, and interactive fiction with a unique interface. If you appreciate games that explore corporate malaise and the erosion of identity through subtle storytelling and audio design, The Interval Bureau: Extension 0 should pique your interest.

Game Info

  • Developer: Quiet Den Games
  • Publisher: Quiet Den Games
  • Release Date: February 3, 2026
  • Genre: Adventure, Story Rich, Psychological Horror, Horror, Atmospheric, Interactive Fiction
  • Playtime: Approximately 1 hour
  • Interaction: Phone keypad input and fully voiced audio
  • Features: Choice-driven narrative, multi-player support (as indicated by Steam categories, though description focuses on single-player experience), Steam Feature 68, 74, 75.