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Pre-release · Fan Wiki

Sister Other Paranoia Wiki

Release date, story, content warnings, and how-to-play guides for Sister Other Paranoia.

Unofficial Sister Other Paranoia wiki: Steam release facts, story context, content warnings, and classic VN how-to guides.

Wishlist on Steam Start with Getting Started
Aug 14
Planned Steam launch (2026)
$9.99
Reported launch price
VN
Classic full-screen text
16+
Mature themes disclosed
Story overview How to play Trailer breakdown Content warnings
Explore the wiki

Six hubs covering release facts, story context, gameplay, guides, review framing, and player tools.

Release

Sister Other Paranoia Release Hub

Sister Other Paranoia release hub: planned Steam date, launch times, price, platforms, languages, system requirements, and wishlist tips.

Read page Story

Sister Other Paranoia Story Hub

Sister Other Paranoia story hub: spoiler-light premise, characters, warnings, staff, and Aiobahn +81 soundtrack notes.

Read page Gameplay

Gameplay Hub

How Sister Other Paranoia plays: classic VN reading, controls, mind-reading pressure, and choice framing before launch.

Read page Guides

Guides Hub

Sister Other Paranoia guides: getting started, trailer, Discord demo, streaming policy, dev diaries, and how to buy.

Read page Review

Review Hub

Pre-release review framing for Sister Other Paranoia: tone, expectations, trailer context, and buyer FAQ before the Steam unlock.

Read page Tools

Tools Hub

Player tools for Sister Other Paranoia, starting with a content warning checker mapped to official mature-theme disclosures before you buy.

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Release

Release & launch

Dates, price, system requirements, and wishlist steps for Sister Other Paranoia on Steam.

Sister Other Paranoia release date Steam unlock timing, timezone notes, and launch-day checklist. Regional launch times PT, ET, UTC, JST, and other clocks for the August 2026 unlock. Price and value notes Reported $9.99 pricing and what to verify on the store page. Steam languages English, Japanese, and Simplified Chinese on Steam—what that means for play. Platforms Windows and macOS Steam reports, plus Deck uncertainty. How to wishlist Steam wishlist steps so you do not miss the unlock.
Story

Story & themes

Spoiler-light premise, characters, mature content warnings, and the creative staff behind the game.

Story overview Spoiler-light premise, tone, and denpa atmosphere. Characters Brother, sister, and the social pressure around them. Content warnings Mature themes disclosed by the developers. Soundtrack Aiobahn +81, denpa mood, and Steam BGM trailer context. Staff and credits nyalra, Ohisashiburi, Aiobahn +81, and the HazeDenki team.
Gameplay

Gameplay & systems

How to play the classic visual novel, controls, mind-reading moments, and choice framing.

How to play Classic full-screen visual novel loop explained. Controls Advance text, hide UI, and read without friction. Mind-reading mechanic What the power does and why it matters narratively. Choices guide How dialogue decisions frame relationships before spoilers exist.
Guides

Featured guides

How to get started, watch the trailer, try the demo, and buy on launch day.

Getting started Pre-launch prep for new players. Trailer breakdown Official trailer context with embedded video. Demo guide Reported Discord demo access and what to verify. Discord community Official HazeDenki server, demo drops, and bug reports. Streaming guide Steam creator policy: full playthroughs, spoilers, monetization. Dev diaries Public HazeDenki and Steam posts about the VN’s making. How to buy Steam purchase checklist for launch day.
Review

Review & FAQ

Pre-release expectations and the questions players ask most before buying.

Pre-release preview Expectation framing before reviews exist. Player FAQ Common buying and content questions answered.
Tools

Player tools

Check whether Sister Other Paranoia’s mature themes fit your comfort level.

Content warning checker Interactive comfort check before you wishlist or buy.
Featured guides
Gameplay

How to Play Sister Other Paranoia

Learn the classic visual novel loop for Sister Other Paranoia: read, click, hide text, and handle heavy themes responsibly.

Read page Guides

Getting Started with Sister Other Paranoia

Getting started with Sister Other Paranoia: warnings, wishlist steps, demo tips, and what to read before launch.

Read page Release

Sister Other Paranoia Release Date

Sister Other Paranoia planned Steam date Aug 14, 2026, with official timing at 8PM PT / 11PM ET—equal to Aug 15 3AM UTC and noon JST.

Read page Review

Preview Expectations

Sister Other Paranoia preview: classic VN loop, mind-reading tone, trailer context, Discord demo notes, and pre-launch unknowns.

Read page Story

Sister Other Paranoia Story Overview

Spoiler-light Sister Other Paranoia overview: mind-reading writer, sister codependency, dark VN tone, without ending spoilers.

Read page Tools

Content Warning Checker

Interactive content warning checker for Sister Other Paranoia—toggle sensitive themes against official mature-content disclosures.

Read page
Quick start

New to Sister Other Paranoia? Follow these steps before launch.

  1. 1

    Read the content warnings

    Sister Other Paranoia covers psychological distress, injury imagery, and suggestive themes. Start with the content warnings page or the content warning checker before you buy.

  2. 2

    Confirm release day details

    Check the release date, regional launch times, price, languages, and platforms so your Steam unlock clock and machine match reality.

  3. 3

    Wishlist and follow Steam

    Use the wishlist guide so launch discounts and unlock notices reach you. Pair it with the how to buy checklist for payment readiness.

  4. 4

    Learn the classic VN loop

    Read how to play and controls so the full-screen text style and mind-reading moments feel intentional, not confusing.

  5. 5

    Watch the trailer with context

    Open the trailer breakdown for tone and staff context, then compare expectations in the pre-release preview.

FAQ

Wiki FAQ

Quick answers to the most common questions.

What is Sister Other Paranoia?

A dark psychological visual novel from HazeDenki (scenario by nyalra) and publisher Serenity Forge. It follows a hypersensitive light novel writer who can read minds and leans on a codependent bond with his sister. See the story overview.

When does Sister Other Paranoia release?

Steam lists a planned release around August 14, 2026. Reported clocks include August 14 8:00 PM PT / August 15 3:00 AM UTC / August 15 noon JST. See release date and regional launch times, then recheck Steam.

Is this wiki official?

No. This is an unofficial fan resource. Confirm dates, price, and mature content through Steam, HazeDenki, and Serenity Forge.

Which languages are supported?

This wiki is available in: English, 日本語. Sister Other Paranoia itself lists English, Japanese, and Simplified Chinese on Steam; this fan wiki focuses on English and Japanese.

Does the game have codes or Roblox scripts?

No. Sister Other Paranoia is a Steam visual novel, not a Roblox experience. This wiki focuses on release info, story context, gameplay, and comfort tools instead.

Where should sensitive players start?

Begin with content warnings and the content warning checker, then skim mind reading so the core mechanic is not a surprise.