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Mailstrom: Demo Day

App ID 3754070
App Type Demo
Developer
Publisher Advanced Faffery
Supported Systems Windows
Technologies Unreal Engine, EpicOnlineServices SDK
Last Changenumber 30905155
Last Record Update 2 September 2025 – 16:13:51 UTC ()
Release Date 24 May 2025 – 19:10:12 UTC ()
Parent App Mailstrom (3458050)

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: This content type cannot be shared

Developer Advanced Faffery
ReleaseState released
Publisher Advanced Faffery
Exclude from family sharing (exfgls) 6 (This content type cannot be shared)
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)
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height_pct69.44444444444446
osextended empty string
Is free on the store? Yes
review_score 6
review_percentage 78
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

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Assets
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timestamp25 May 2025 – 21:04:02 UTC
trailer_name Mailstrom: Demo Day
trailer_category 0
trailer_480p ↴
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microtrailer ↴
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adaptive_trailers ↴
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all_ages true
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timestamp 25 May 2025 – 21:03:58 UTC
trailer_name Mailstrom Announcement Trailer
trailer_category 0
trailer_480p ↴
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screenshot_full 257141766/28f246ea5aa088530193572cc202dd37179c1a8f/movie_full.jpg
all_ages true
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timestamp 25 May 2025 – 21:04:00 UTC

Steam charts

  • 0 players right now
  • 1 24-hour peak
  • 17 all-time peak 9 June 2025
SteamDB.info

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User reviews history

  • Mostly Positive
  • 67.40% SteamDB Rating
  • 18 78.3% positive reviews
  • 5 21.7% negative reviews

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How many players are playing Mailstrom: Demo Day right now on Steam?

Steam player counter indicates there are currently 0 players live playing Mailstrom: Demo Day on Steam.

Mailstrom: Demo Day had an all-time peak of 17 concurrent players on 9 June 2025.

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