How many people are playing Big Sister right now?

Big Sister is app 5206420 on Steam. Player counts appear once the tracker has sampled it.

When was Big Sister released on Steam?

Big Sister was released on Steam on 20 Sep 2026.

Charts Sales Upcoming Patches Events Calculator

New on SteamEvery app, DLC and depot the minute Steam creates it AppsEvery app on Steam, newest change first PackagesSubs and bundles, and what each contains DepotsDepots, manifests and install sizes TagsSteam's user tags and the games under them Developers & publishersCompanies and their catalogues TechnologiesEngines, SDKs and anti-cheat found in the files Change historyEvery PICS changelist as it lands

SignalsNineteen readings of the whole catalogue CompareAny games side by side RecordsAll-time peaks and the days they were set ReportsWeekly and monthly write-ups Alerts & newsroomWatch a game, get told when it moves Steam statusIs Steam up, right now Web API explorerTry the endpoints in the browser

EventsSteam's own events and the sales calendar CalculatorWhat a Steam account is worth, and its pile of shame

SteamPeaks

The ultimate resource for Steam data.

ExploreCharts Sales Sales and fests Upcoming Patches Events Records Trending Signals

DatabaseApps Packages Depots Tags Developers Technologies Change history

ToolsCalculator Compare Search Alerts Steam status API

SiteMethodology FAQ Discord Support Sign in via Steam

Not affiliated with Valve or Steam. Game names and artwork belong to their owners. All times UTC.

Privacy Cookies Fair use Status

SteamPeaks

The ultimate resource for Steam data.

ExploreCharts Sales Sales and fests Upcoming Patches Events Records Trending Signals

DatabaseApps Packages Depots Tags Developers Technologies Change history

ToolsCalculator Compare Search Alerts Steam status API

SiteMethodology FAQ Discord Support Sign in via Steam

Not affiliated with Valve or Steam. Game names and artwork belong to their owners. All times UTC.

Privacy Cookies Fair use Status

Big Sister Achievements · SteamPeaks

Apps›Big Sister›Achievements

Big Sister

GameApp ID 5,206,420by HaHaHaGameReleases 20 Sep 2026

WindowsEngine —

Casual Idler 2D Cute Cozy Female Protagonist +2 +4

View on SteamCompare Share

App ID5,206,420

Release date20 Sep 2026

Engine—

Install size—

TypeGame

Last update8 Sep 2026

Steam DeckUnknown

DLC0

DeveloperHaHaHaGame

Changenumber38,683,388

Price—

Packages0

PublisherHaHaHaGame

SystemsWindows

Followers—

Depots0

Big Sister

HaHaHaGame
Releases 20 Sep 2026·App 5206420

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works ›

Playing now

—

First samples arriving

—of peak

All-time peak

—

Tracking since the first sample

Updated —Data by SteamPeaks.com

Overview

Data

Price history Charts Patches Events Reviews Audience Estimates Availability

Technical

Metadata Packages DLC Depots Requirements Install size Configuration Cloud saves

Content

Achievements Community Media Related apps

History

Update history Store history

Everything

Full details

Achievements Overview Price history Charts Patches Events Reviews Audience Estimates Availability Metadata Packages DLC Depots Requirements Install size Configuration Cloud saves Community Media Related apps Update history Store history Full details

From the store page

Achievements

—

No achievements.