Extra Case: My Girlfriend's Secrets

A horror dating sim about uncovering secrets through time loops

Sounding Stone / 老奉毊, MaouCat Studio / 魔王貓工作室 · Published by Sounding Stone / 老奉毊, RMAsia · Released Sep 12, 2022

Reviews: Very Positive; 84% of 173
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 8 months ago; Feb 10, 2026
Minimum PC: 0.4 GB disk; Full requirements

What is Extra Case: My Girlfriend's Secrets?

A 2D visual novel set in your girlfriend's house, where you play a college student trying to understand what she is hiding. You read dialogue, investigate items to unlock new options, and revisit events across ten endings that each reveal part of the story.

For you if...

+you enjoy short, reading-focused stories

Not for you if...

−you want free exploration or demanding gameplay

What players say

84% of 173 reviews are positive

Players praise the story and art. The main complaint is that choices feel predetermined, leaving little control over how events unfold.

Screenshots and trailer

Extra Case: My Girlfriend's Secrets screenshot 1

Extra Case: My Girlfriend's Secrets system requirements

Minimum: 0.4 GB of disk space.

As published by the developer.

Can my PC run Extra Case: My Girlfriend's Secrets?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS: Windows® 8.1/10/11 (64bit)
Storage: 419 MB available space
Notes: 1280x720 or better Display

Does Extra Case: My Girlfriend's Secrets have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Extra Case: My Girlfriend's Secrets 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: 10
Steam features: Cloud saves, Family Sharing
Languages: Text only: Traditional Chinese, English, Simplified Chinese, Japanese.

Does Extra Case: My Girlfriend's Secrets use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

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