Released Sep 30, 2026 $0.99 Positive Not counted on Steam profiles yet

Little Sister

By HaHaHaGame

Casual Idler 2D Cute Relaxing Female Protagonist Indie Singleplayer

Track this game Steam page

Followers —

Reviews 40 Positive

Players now 0 Peak today 0

Followers, 30 days — Not enough history yet

Little Sister is a game tagged Casual, Idler and 2D by HaHaHaGame, released Sep 30, 2026. It has 40 Steam reviews (Positive). The Steam games most like it include Big Sister, your girl and Sister.

Little Sister is a Live2D desktop pet game. A girl in a cat-eared hat blinks, breathes and follows your cursor. Move, resize, lock or hide her, add static, GIF or MP4 wallpapers, and discover or share characters and wallpapers through Steam Workshop.

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<a href="https://launchrivals.com/games/5256480-little-sister"><img src="https://launchrivals.com/games/5256480/badge.png" alt="Little Sister launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/5256480-little-sister"><img src="https://launchrivals.com/games/5256480/badge.png?theme=light" alt="Little Sister launch date" width="320" height="84"></a>

Big Sister 100% match · Casual, Idler, 2D
your girl 97% match · Casual, 2D, Cute
Sister 93% match · Casual, Cute, Relaxing
ShapeBlast 93% match · Casual, Idler, 2D
Musical Slime 91% match · Casual, Idler, 2D
Achievement Clicker 89% match · Casual, Idler, 2D
Pocket Idler: Fishing Pond 89% match · Casual, Idler, 2D
迷你种田 87% match · Casual, Idler, 2D
=^.ω.^= 86% match · Casual, Idler, 2D
Missy's Bugtastic Little Planet 86% match · Casual, Idler, Cute

Steam data

Everything Steam lists for Little Sister · record updated 13 hours ago

Steam store

Overview

App ID5256480

Release dateSep 30, 2026

Last change number39405033

Last record update13 hours ago

App type: Game
Developer: HaHaHaGame
Publisher: HaHaHaGame
Steam profile: Not counted yet: Steam is still getting to know this game, so it doesn't add to game counts or achievement totals · checked 11 hours ago

Windows

Single-playerFamily Sharing

Prices

Price · US$0.99

On sale0 of 41regions right now

Lowest seen · US$0.99Oct 23, 2026

Checked13 hours agoin 41 regions

United States$USD

Every price change is kept from Oct 23, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
25474719	public	Sep 23, 2026

Depots

ID	Name	Systems	Size	Download	Manifest
5256481	—	All	132.8 MB	56.6 MB	8001657678645097179

Branch	Build	Updated	Access
public	25474719	Sep 23, 2026	Open

Configuration

Install foldersteamapps/common/Little Sister

Executable	Arguments	Systems	Description
LittleSister.exe		Windows

Space per player953.7 MB

Filesup to 1,000

Save locations0

Data from public Steam pages, updated daily; 4 days of history. LaunchRivals is not affiliated with Valve or Steam.

Little Sister

About Little Sister

Steam data

Overview

App info

Platforms

Features

Prices

United States$USD

Americas 10

Europe 5

CIS 4

Asia-Pacific 15

Middle East & Africa 7

Patches

Builds

Depots

Depots

Branches

Configuration

Launch options

Cloud saves