Status
SteamPeaks
Charts
Sales
Upcoming
Patches
Events
Calculator
Database
New on Steam
Every app, DLC and depot the minute Steam creates it
Apps
Every app on Steam, newest change first
Packages
Subs and bundles, and what each contains
Depots
Depots, manifests and install sizes
Tags
Steam's user tags and the games under them
Developers & publishers
Companies and their catalogues
Technologies
Engines, SDKs and anti-cheat found in the files
Change history
Every PICS changelist as it lands
Tools
Signals
Nineteen readings of the whole catalogue
Compare
Any games side by side
Records
All-time peaks and the days they were set
Reports
Weekly and monthly write-ups
Alerts & newsroom
Watch a game, get told when it moves
Steam status
Is Steam up, right now
Web API explorer
Try the endpoints in the browser
More
Events
Steam's own events and the sales calendar
Calculator
What a Steam account is worth, and its pile of shame
/
Sign in
/
Return to Mysterious Island
Builds
19811315
Build 19811315
build
Return to Mysterious Island
· public · first seen
8 Oct 2025, 09:38 UTC
PICS live
1
Branches
9
Depots changed
—
Download delta
09:38 UTC
Time · UTC
No patch notes were published for this build. Notes appear here when the developer posts them to the game’s Steam news feed.
Per-depot manifest changes
Depot changes
All depots
Depot
New manifest
Previous manifest
277111
2471611524849944725
—
277112
2290836210754989800
—
277113
6075262508527819484
—
277114
1671025429397483063
—
277115
1916056570969963845
—
277116
3690610013414118112
—
277117
8871052647498290760
—
277118
3257786375168784215
—
277119
2944865925146411864
—
Return to Mysterious Island build 19811315 · SteamPeaks