Sea of Tranquility Demo
| App ID | 4098780 |
| App Type | Demo |
| Developer | Sky Trail Ltd |
| Publisher | Sky Trail Ltd |
| Franchise | Sea of Tranquility |
| Supported Systems | Windows |
| Technologies | Unreal Engine, EpicOnlineServices SDK |
| Last Changenumber | 31912107 |
| Last Record Update | 26 October 2025 – 19:21:43 UTC ( |
| Release Date | 25 October 2025 – 17:05:30 UTC ( |
| Parent App | Sea of Tranquility (3784750) |
Play the demo Prologue chapter of Sea of Tranquility. Witness the final moments of moon colonization by humanity.
Play on Steam
Categories
Hardware Categories
Accessibility Categories
Additional Information
This demo is excluded from Steam Family Sharing because: This content type cannot be shared
| Developer | Sky Trail Ltd | |||||||||||||||||||
| controller_support | partial | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | Sky Trail Ltd | |||||||||||||||||||
| eulas |
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| Exclude from family sharing (exfgls) | 6 (This content type cannot be shared) | |||||||||||||||||||
| Store Release Date | 25 October 2025 – 17:05:30 UTC ( |
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| osarch | 64 | |||||||||||||||||||
| Primary Genre | Adventure (25) | |||||||||||||||||||
| Store Genres | Adventure (25), Indie (23) | |||||||||||||||||||
| Steam Release Date | 25 October 2025 – 17:05:30 UTC ( |
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| Store Asset Modification Time | 22 October 2025 – 09:21:55 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| Is free on the store? | Yes | |||||||||||||||||||
| Detected Technologies (?) | Unreal Engine, EpicOnlineServices SDK, Intel_oneTBB SDK, NVIDIA_Nsight_Aftermath SDK, Ogg SDK, OpenXR SDK, Vorbis SDK, XAudio2 SDK | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| First seen on SteamDB | 8 October 2025 – 23:12:48 UTC ( |
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Supported Languages
| 1 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
Assets
Load all asset images
| trailer_name | Demo trailer |
| trailer_category | 0 |
| microtrailer ↴ | |
| video/webm | 4098780/485308892/1ba1423c8e88c7b4fc90bec5dfc05583fb7177cc/1760013305/microtrailer.webm |
| video/mp4 | 4098780/485308892/1ba1423c8e88c7b4fc90bec5dfc05583fb7177cc/1760013305/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 4098780/485308892/1ba1423c8e88c7b4fc90bec5dfc05583fb7177cc/1760013305/dash_av1.mpd |
| dash_h264 | 4098780/485308892/1ba1423c8e88c7b4fc90bec5dfc05583fb7177cc/1760013305/dash_h264.mpd |
| hls_h264 | 4098780/485308892/1ba1423c8e88c7b4fc90bec5dfc05583fb7177cc/1760013305/hls_264_master.m3u8 |
| screenshot_medium | 257214816/c11f3e973b12f7d6dc990efc4eca3bf6e42d6802/movie_600x337.jpg |
| screenshot_full | 257214816/c11f3e973b12f7d6dc990efc4eca3bf6e42d6802/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 25 October 2025 – 17:05:32 UTC |
