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Mailstrom: Demo Day

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App ID 3754070
App Type Demo
Developer
Publisher Advanced Faffery
Supported Systems Windows
Technologies Unreal Engine, EpicOnlineServices SDK
Last Changenumber 30021138
Last Record Update 11 July 2025 – 23:11:53 UTC ()
Release Date 24 May 2025 – 19:10:12 UTC ()
Parent App Mailstrom (3458050)
❓ 65.00%
20 reviews
2
In-App

Join a co-op team of 4 friends in a first person shooter that sends Pan Galactic Postal Service letter carriers into the locked-down streets of the future! Fight mutated alien horrors as you and your fellow essential workers deliver baubles to hard-to-find destinations! Hey, at least it's a job!

Additional Information

This demo is excluded from Steam Family Sharing because: Parent app is excluded

Developer Advanced Faffery
ReleaseState released
Publisher Advanced Faffery
Exclude from family sharing (exfgls) 9 (Parent app is excluded)
Store Release Date 24 May 2025 – 19:10:12 UTC ()
osarch empty string
Social Media https://discord.gg/sDvkH5gQNJ
Primary Genre Action (1)
Store Genres Action (1), Adventure (25), Indie (23)
Steam Release Date 24 May 2025 – 19:10:12 UTC ()
Store Asset Modification Time 25 May 2025 – 21:03:40 UTC () (1748207020)
library_assets
library_capsuleen
library_heroen
library_hero_bluren
library_logoen
library_headeren
logo_position ↴
pinned_positionBottomCenter
width_pct63.68624919302775
height_pct69.44444444444446
osextended empty string
Is free on the store? Yes
review_score 6
review_percentage 75
Detected Technologies (?) Unreal Engine, AMD_TrueAudio_Next SDK, EpicOnlineServices SDK, Intel_oneTBB SDK, NVIDIA_Nsight_Aftermath SDK, Ogg SDK, Steam_Audio SDK, Vorbis SDK, XAudio2 SDK
controllertagwizard Yes
First seen on SteamDB 17 May 2025 – 18:39:46 UTC (), in changelist #29042663

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes Yes

Categories

Single-player Online Co-op Game demo Multi-player Co-op

Assets

Load all asset images
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header_image
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library_assets_full
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library_hero_blur ↴
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Assets
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timestamp25 May 2025 – 21:04:02 UTC
Trailers
257145397 ↴
trailer_nameMailstrom: Demo Day
trailer_category0
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trailer_base_id899635
all_agestrue
is_highlighttrue
timestamp1748207038
257141766 ↴
trailer_nameMailstrom Announcement Trailer
trailer_category0
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trailer_480p/video/mp4257141766/movie480.mp4
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timestamp1748207040

Depots

ID Configuration Size DL.
228989 Windows Shared InstallDepot from 228980VC 2022 Redist No size
228990 Windows Shared InstallDepot from 228980DirectX Jun 2010 Redist No size
3754071 Windows English 1.62 GiB 623.12 MiB

Total size on disk is 1.62 GiB and total download size is 623.12 MiB.

Branches

Name Description Build ID Time Updated
public 18859288 13 June 2025 – 22:25:20 UTC
preview Candidate build under test 18785300 8 June 2025 – 15:55:23 UTC

Other

Name Value
privatebranches 1
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