| App ID | 3891440 |
| App Type | Game |
| Store Name | 日月谜书 MidnattsSol |
| Developer | 周坤滔, 赵璟钰, 邹童画, 吴晓行 |
| Publisher | Beijing Film Academy |
| Supported Systems | Windows |
| Technologies | Unreal Engine |
| Last Changenumber | 31666188 |
| Last Record Update | 14 October 2025 – 16:08:21 UTC ( |
| Release Date | 30 September 2025 – 07:00:00 UTC ( |
A dual-character 2.5D puzzle adventure where Sun and Moon swap roles in a distorted world. Control both characters across inverted spaces, solve time-shifting puzzles, and restore cosmic order. No combat, just pure atmospheric exploration and logic.
Additional Information
This game is excluded from Steam Family Sharing because: Free Game
| Developer | 周坤滔 | |||||||||||||||||||
| controller_support | full | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | Beijing Film Academy | |||||||||||||||||||
| IsFreeApp | Yes | |||||||||||||||||||
| Exclude from family sharing (exfgls) | 3 (Free Game) | |||||||||||||||||||
| Store Release Date | 8 August 2025 – 09:05:00 UTC ( |
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| osarch | 64 | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| Primary Genre | Free to Play (37) | |||||||||||||||||||
| Store Genres | Indie (23), RPG (3), Strategy (2), Free to Play (37) | |||||||||||||||||||
| Steam Release Date | 30 September 2025 – 07:00:00 UTC ( |
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| Store Asset Modification Time | 23 July 2025 – 10:19:15 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| Is free on the store? | Yes | |||||||||||||||||||
| review_score | 7 | |||||||||||||||||||
| review_percentage | 84 | |||||||||||||||||||
| Detected Technologies (?) | Unreal Engine, Intel_OID SDK, Intel_oneTBB SDK, NVIDIA_Nsight_Aftermath SDK, Ogg SDK, Vorbis SDK, XAudio2 SDK | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| First seen on SteamDB | 18 July 2025 – 06:13:22 UTC ( |
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Supported Languages
| 1 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| Simplified Chinese | Yes | Yes | Yes |
Tags
Categories
Hardware Categories
Assets
Load all asset images
| trailer_name | main |
| trailer_category | 3 |
| trailer_480p ↴ | |
| video/webm | 257171197/movie480_vp9.webm |
| video/mp4 | 257171197/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 257171197/movie_max_vp9.webm |
| video/mp4 | 257171197/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 3891440/2062257602/e7a26e4291cbf71010a44358932d2225dd7fd7a3/1752921363/microtrailer.webm |
| video/mp4 | 3891440/2062257602/e7a26e4291cbf71010a44358932d2225dd7fd7a3/1752921363/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 3891440/2062257602/e7a26e4291cbf71010a44358932d2225dd7fd7a3/1752921363/dash_av1.mpd |
| dash_h264 | 3891440/2062257602/e7a26e4291cbf71010a44358932d2225dd7fd7a3/1752921363/dash_h264.mpd |
| hls_h264 | 3891440/2062257602/e7a26e4291cbf71010a44358932d2225dd7fd7a3/1752921363/hls_264_master.m3u8 |
| screenshot_medium | 257171197/a603b8bb6cef0ffd53ae6e7fb0186e823a358033/movie_600x337.jpg |
| screenshot_full | 257171197/a603b8bb6cef0ffd53ae6e7fb0186e823a358033/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 26 July 2025 – 02:03:52 UTC |
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 | |
| 3891441 | 2.05 GiB | 1.93 GiB |
Total size on disk is 2.05 GiB and total download size is 1.93 GiB.
Branches
| Name | Description | Build ID | Time Updated |
|---|---|---|---|
| public | 19284976 |
Other
| Name | Value |
|---|---|
| baselanguages | English, Simplified Chinese |