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

/

Sign in

/

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

The Posthumous Investigation Achievements · SteamPeaks

Apps The Posthumous InvestigationAchievements

The Posthumous Investigation

GameApp ID 2,466,900by Mother Gaia StudioReleased 31 Mar 2026

Windows · macOSEngine —

View on SteamSteamCompare Share

App ID2,466,900

Release date31 Mar 2026

Engine—

Install size842 MB

TypeGame

Last update29 Jun 2026

Steam Deck—

DLC0

DeveloperMother Gaia Studio

Changenumber37,745,874

Price—

Packages0

PublisherCriticalLeap

SystemsWindows · macOS

Followers—

Depots2

Compare this game

The Posthumous Investigation

Mother Gaia Studio·CriticalLeap
Released 31 Mar 2026·App 2466900

Steam user reviews

Very Positive

94.7%· 694 reviews

Recent —

SteamPeaks Rating

92.0 Very positive

Recent 30 days —

Playing now

14

+3 vs. yesterday

5.4%of peak

All-time peak

Data

Price history Charts Patches Events Reviews Audience Estimates Availability

Technical

Metadata Packages DLC Depots2 Requirements Install size Configuration Cloud saves

Content

Achievements Community Media Related apps

History

Update history Store history

Everything

Achievements Overview Price history Charts Patches Events Reviews Audience Estimates Availability Metadata Packages DLC Depots2 Requirements Install size Configuration Cloud saves Community Media Related apps Update history Store history Full details

Every achievement on record

Achievements

28 achievements

Full House
Modify the routine of 3 characters to go to the Midnight Club performance on the same day
—
Daydreams of a Ghost
Access all the daydreams of Brás Cubas
—
Dom Casmurro
Witness the dialogue at the Santiago mansion
—
Unusual Visit
Meet one of the Casa Verde fugitives in the office

259

Apr 2026

Updated 12 Sep 2026, 18:12 UTCData by SteamPeaks.com

—

Gossip Man

Snoop on all events

—

Pet Friend

Visit all regions with the dog

—

Black eye

Get in a fight with the angry little guy

—

Goo

Create an unusual mix at the Midnight Club bar

—

O.C.D.

Arrange the painting in the detective's office 10 times

—

Bad Trip

Making the wrong mixture at the pharmacy

—

Strange Sea

See two unusual scenes with binoculars

—

Under Arrest

Getting arrested for breaking into a house

—

Strike Infiltrate

Talk to the strike infiltrator

—

The Dead One

Get all the statements from the plot The Dead One

—

The Heresy

Get all the statements from the plot The Heresy

—

The Affair

Get all the statements from the plot The Affair

—

The Dream

Get all the statements from the plot The Dream

—

Devil's Advocate

Get all the statements from the plot Devil's Advocate

—

Family Feud

Get all the statements from the plot Family Feud

—

The Agitator

Get all the statements from the plot The Agitator

—

The Cleric

Get all the statements from the plot The Cleric

—

The Humanitas

Get all the statements from the plot The Humanitas

—

The Madness

Get all the statements from the plot The Madness

—

The Opposites

Get all the statements from the plot The Opposites

—

The Plaster

Get all the statements from the plot The Plaster

—

The Rival

Get all the statements from the plot The Rival

—

The Star

Get all the statements from the plot The Star

—

The Witnesses

Get all the statements from the plot The Witnesses

—

Names, descriptions and icons are the game’s own, as Steam publishes them.