03 Demo
| App ID | 3782050 |
| App Type | Demo |
| Store Name | O3 - Hollow Descent: Alpha Demo |
| Developer | Ta2 Games |
| Publisher | Ta2 Games |
| Supported Systems | Windows macOS Linux |
| Technologies | Unity Engine |
| Last Changenumber | 31803643 |
| Last Record Update | 20 October 2025 – 21:55:08 UTC ( |
| Release Date | 2 July 2025 – 10:49:06 UTC ( |
| Parent App | 03 (2528960) |
O3 - Hollow Descent is a bullet-hell rogue-like shooter. Set in a surreal world inspired by the art of H.R. Giger and Zdzisław Beksiński.
Additional Information
This demo is excluded from Steam Family Sharing because: This content type cannot be shared
| Developer | Ta2 Games | |||||||||||||||||||||
| controller_support | full | |||||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||||
| Publisher | Ta2 Games | |||||||||||||||||||||
| eulas |
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| Exclude from family sharing (exfgls) | 6 (This content type cannot be shared) | |||||||||||||||||||||
| Store Release Date | 2 July 2025 – 10:49:06 UTC ( |
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| osarch | empty string | |||||||||||||||||||||
| Primary Genre | Action (1) | |||||||||||||||||||||
| Store Genres | Action (1), Adventure (25), Indie (23) | |||||||||||||||||||||
| Steam Release Date | 2 July 2025 – 10:49:06 UTC ( |
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| Store Asset Modification Time | 22 September 2025 – 13:10:45 UTC ( |
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| library_assets |
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| osextended | macos64 | |||||||||||||||||||||
| Is free on the store? | Yes | |||||||||||||||||||||
| review_score | 7 | |||||||||||||||||||||
| review_percentage | 90 | |||||||||||||||||||||
| Detected Technologies (?) | Unity Engine, UnityBurst SDK, UnityHDRP SDK, UnityURP SDK, cURL SDK | |||||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||||
| First seen on SteamDB | 28 May 2025 – 22:49:03 UTC ( |
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Supported Languages
| 1 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes |
Categories
Hardware Categories
Full Controller Support
DualShock Controllers (USB Only)
DualSense Controllers (USB Only)
Gamepad Preferred
DualShock Controllers
DualSense Controllers
Assets
Load all asset images
| trailer_name | O3 Hollow Descent - Trailer |
| trailer_category | 0 |
| trailer_480p ↴ | |
| video/webm | 257198626/movie480_vp9.webm |
| video/mp4 | 257198626/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 257198626/movie_max_vp9.webm |
| video/mp4 | 257198626/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 3782050/56425437/c367a80d02dbf0fb9b0d03637f53604a5034baf0/1758020315/microtrailer.webm |
| video/mp4 | 3782050/56425437/c367a80d02dbf0fb9b0d03637f53604a5034baf0/1758020315/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 3782050/56425437/c367a80d02dbf0fb9b0d03637f53604a5034baf0/1758020315/dash_av1.mpd |
| dash_h264 | 3782050/56425437/c367a80d02dbf0fb9b0d03637f53604a5034baf0/1758020315/dash_h264.mpd |
| hls_h264 | 3782050/56425437/c367a80d02dbf0fb9b0d03637f53604a5034baf0/1758020315/hls_264_master.m3u8 |
| screenshot_medium | 257198626/2b307ff29b27ac5a156ffb716100416477c3a03b/movie_600x337.jpg |
| screenshot_full | 257198626/2b307ff29b27ac5a156ffb716100416477c3a03b/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 22 September 2025 – 13:11:47 UTC |
| trailer_name | 03 - Gameplay - Trailer |
| trailer_category | 0 |
| trailer_480p ↴ | |
| video/webm | 257153414/movie480_vp9.webm |
| video/mp4 | 257153414/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 257153414/movie_max_vp9.webm |
| video/mp4 | 257153414/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 3782050/239971622/1f28f51adf46a190238850e9ec41d0451d0a0d85/1750374670/microtrailer.webm |
| video/mp4 | 3782050/239971622/1f28f51adf46a190238850e9ec41d0451d0a0d85/1750374670/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 3782050/239971622/1f28f51adf46a190238850e9ec41d0451d0a0d85/1750374670/dash_av1.mpd |
| dash_h264 | 3782050/239971622/1f28f51adf46a190238850e9ec41d0451d0a0d85/1750374670/dash_h264.mpd |
| hls_h264 | 3782050/239971622/1f28f51adf46a190238850e9ec41d0451d0a0d85/1750374670/hls_264_master.m3u8 |
| screenshot_medium | 257153414/8771af8447be4a283a759b6df1df226a7fc19abe/movie_600x337.jpg |
| screenshot_full | 257153414/8771af8447be4a283a759b6df1df226a7fc19abe/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 1 July 2025 – 21:51:58 UTC |
Depots
| ID | Configuration | Size | DL. |
|---|---|---|---|
| 3782051 | Windows | 1.04 GiB | 943.94 MiB |
| 3782052 | macOS | 1.05 GiB | 949.39 MiB |
| 3782053 | Linux Steam Deck | 1.09 GiB | 980.99 MiB |
Total size on disk is 3.18 GiB and total download size is 2.81 GiB.
Total size on disk is 1.04 GiB and total download size is 943.94 MiB, when filtered to Windows, English, no DLC depots.
Branches
| Name | Description | Build ID | Time Updated |
|---|---|---|---|
| public | 19826212 |
Other
| Name | Value |
|---|---|
| baselanguages | English |