Mailstrom: Demo Day
| App ID | 3754070 |
| App Type | Demo |
| Developer | Advanced Faffery |
| 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 ( |
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| osarch | empty string | |||||||||||||||||||
| Social Media | https://discord.gg/sDvkH5gQNJ |
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| Primary Genre | Action (1) | |||||||||||||||||||
| Store Genres | Action (1), Adventure (25), Indie (23) | |||||||||||||||||||
| Steam Release Date | 24 May 2025 – 19:10:12 UTC ( |
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| Store Asset Modification Time | 25 May 2025 – 21:03:40 UTC ( |
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| library_assets |
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| 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 ( |
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Supported Languages
| 1 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes |
Categories
Assets
Load all asset images
| trailer_name | Mailstrom: Demo Day |
| trailer_category | 0 |
| trailer_480p ↴ | |
| video/webm | 257145397/movie480_vp9.webm |
| video/mp4 | 257145397/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 257145397/movie_max_vp9.webm |
| video/mp4 | 257145397/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 3754070/1282814920/5c2f55f9cded09ca6096606534128808002c16e4/1750381860/microtrailer.webm |
| video/mp4 | 3754070/1282814920/5c2f55f9cded09ca6096606534128808002c16e4/1750381860/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 3754070/1282814920/5c2f55f9cded09ca6096606534128808002c16e4/1750381860/dash_av1.mpd |
| dash_h264 | 3754070/1282814920/5c2f55f9cded09ca6096606534128808002c16e4/1750381860/dash_h264.mpd |
| hls_h264 | 3754070/1282814920/5c2f55f9cded09ca6096606534128808002c16e4/1750381860/hls_264_master.m3u8 |
| screenshot_medium | 257145397/e9c6659223dcf0d33af4f47c153e4613fd297cfe/movie_600x337.jpg |
| screenshot_full | 257145397/e9c6659223dcf0d33af4f47c153e4613fd297cfe/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 25 May 2025 – 21:03:58 UTC |
| trailer_name | Mailstrom Announcement Trailer |
| trailer_category | 0 |
| trailer_480p ↴ | |
| video/webm | 257141766/movie480_vp9.webm |
| video/mp4 | 257141766/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 257141766/movie_max_vp9.webm |
| video/mp4 | 257141766/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 3754070/973372632/a2e063ec21459941289410c11a848e1511abe724/1750381843/microtrailer.webm |
| video/mp4 | 3754070/973372632/a2e063ec21459941289410c11a848e1511abe724/1750381843/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 3754070/973372632/a2e063ec21459941289410c11a848e1511abe724/1750381843/dash_av1.mpd |
| dash_h264 | 3754070/973372632/a2e063ec21459941289410c11a848e1511abe724/1750381843/dash_h264.mpd |
| hls_h264 | 3754070/973372632/a2e063ec21459941289410c11a848e1511abe724/1750381843/hls_264_master.m3u8 |
| screenshot_medium | 257141766/28f246ea5aa088530193572cc202dd37179c1a8f/movie_600x337.jpg |
| screenshot_full | 257141766/28f246ea5aa088530193572cc202dd37179c1a8f/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 25 May 2025 – 21:04:00 UTC |
Builds
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