Your StepSister
Desktop companion with a stepsister who appears over other applications
StepBrother · Published by StepBrother, GosDev Production · Released May 9, 2025
- Reviews
- Mostly Positive
- 79% of 103
- Recent reviews
- Not enough recent
- Players
- 0
- daily peak, Oct 28, 2026
- Steam Deck
- Untested
- Last update on Steam
- 1 year ago
- May 10, 2025
What is Your StepSister?
A single-player desktop companion in which you move, resize, and rotate a stepsister character with a physics-based body. She changes outfits and gets stuck in objects such as a washing machine, prompting you to help her.
For you if...
- +you enjoy casual interaction with an anime-style character
Not for you if...
- −you want multiplayer interaction rather than a solo companion
What players say
79% of 103 reviews are positive
Players appreciate the easy achievements, but complain about the character's irritating voice.
Screenshots and trailer
Your StepSister system requirements
Minimum: GTX660, 1 GB RAM, 1 GB of disk space.
As published by the developer.
Can my PC run Your StepSister?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows 8
- Processor
- Intel i3
- Graphics
- GTX660
- Memory
- 1 GB RAM
- Storage
- 1 GB available space
Does Your StepSister have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Your StepSister run on Steam Deck?
Untested Not yet tested by Valve on Steam Deck.
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Achievements
- 100
- Steam features
- Workshop, Cloud saves, Family Sharing
- Languages
- Full audio: English, French, Italian, German, Spanish - Spain, Arabic, Bulgarian, Czech, Danish, Dutch, Finnish, Greek, Hungarian, Indonesian, Japanese, Korean, Norwegian, Polish, Portuguese - Brazil, Portuguese - Portugal, Romanian, Russian, Simplified Chinese, Spanish - Latin America, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese.
Does Your StepSister use AI-generated content?
Yes. The developers disclose AI-generated content on the game's Steam page:
AI generated voice acting, store assets
The statement mentions: VoicesStore page & marketing
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam