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Sister Other Paranoia

Sister Other Paranoia cover art
Développeur
HazeDenki
Éditeur
Serenity Forge
Sortie
Aug 14, 2026
Steam reviews
73% of players recommend it, from 692 reviews — Steam calls that “Mostly Positive”
Mots-clés
AdventureIndie
Voir sur Steam

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About this game

The developer's description, from the game's Steam store page.

★ A dark visual novel created by acclaimed creator nyalra

■ Story

“Onii-chan, you really are a lonely person.”

“Did you lose faith in me?”

“No. I love you, onii-chan.”

Unable to bear the ugliness of the world and terrified of other people, the protagonist develops the ability to read minds.

He shuts himself away and submits a light novel he wrote, which unexpectedly wins a newcomer’s award. But the jealousy and envy that follow only deepen his distrust of the few human relationships he still has. Those around him hurt his fragile heart without even realizing it.

His only remaining comfort is his younger sister, who lives with him.

Clinging to each other just to stay alive, the two sink night after night into a twisted, unhealthy codependency.

―I keep living alone, talking about my own prejudices and cursing the world. Day after day.

    I ripped off Dostoevsky, half-assed it into something modern, and turned it into a light-novels.    I mean, I tried. In my own stupid way.    Had the heroines talk about “existentialism” like it was supposed to mean something.

■Game Overview

The gameplay is an old-school, straight-up classic visual novel. The text fills the entire screen, so read as much as you want—or just right-click to hide it and enjoy the art. That’s it. Read, click, and vibe.

Live through a gloomy, suffocating real world through an overly sensitive protagonist… then come home and savor the only happiness left in his life: the time he spends with his little sister, his one true comfort.

As the friction with the people around you keeps piling up, there’ll be moments when their petty thoughts make you feel actual murderous rage. And in those moments, you can use your mind-reading ability to drive them to suicide.

That snide bastard. That arrogant asshole. Hit them right where it hurts—right in the deep-seated insecurities they never want anyone to see—and take them out. It’s not like you’re killing them with your own hands, so you won’t get caught. The ones truly at fault are the tasteless, mindless conformists who do nothing but obey society without a shred of aesthetic sense.

…But is that really okay?

What is happiness, anyway?

And in the end—what kind of future will the protagonist and his sister walk into?

Witness it with your own eyes.

■About Streaming and Gameplay Videos

You are free to stream or upload videos of this game without prior permission, whether you are an individual or an organization.

There are no restrictions on which parts of the game may be shown, and you may stream the entire game, including spoilers. Monetization—including ad revenue, donations, and channel memberships—is fully permitted.

Please feel free to stream and share your playthroughs!

■Staff

Scenario & Director: nyalra

Artwork: Ohisashiburi

Music: Aiobahn +81

UI Design: Maruino

Logo Design: Yuto Hama

Programming: HAYAO

System requirements

As Steam lists them.

Windows

Minimum

Requires a 64-bit processor and operating system
OS
Windows10
Processor
Generic Dual Core Processor
Memory
6 GB RAM
Graphics
Recent DirectX 11-capable GPUs (incl. Integrated Graphics)
DirectX
Version 11
Storage
3 GB available space

Recommended

Requires a 64-bit processor and operating system
OS
Windows 10 64‑bit
Processor
AMD Ryzen 7 2700 (8 cores / 16 threads)
Memory
16 GB RAM
Graphics
GeForce RTX 2060
Storage
6 GB available space

Downloadable content

Steam lists 2 items of downloadable content for this game.

News

What Sister Other Paranoia's studio and the outlets Valve syndicates on Steam have said recently.

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