The Mysterious Thief; Forget Me Not
| App ID | 3333600 |
| App Type | Game |
| Developer | solarProtag |
| Publisher | solarProtag |
| Supported Systems | Windows Linux |
| Technologies | PyGame Engine, RenPy Engine |
| Last Changenumber | 31474738 |
| Last Record Update | 4 October 2025 – 01:26:16 UTC ( |
| Release Date | 20 February 2025 – 05:02:34 UTC ( |
+8
A story-rich, girl's love visual novel about the titular phantom thief, Forget Me Not, and the famous ballet troupe that visits the city with its precious jewel and a certain ballerina that they fall for.
Additional Information
| Developer | solarProtag | |||||||||||||||||||
| controller_support | full | |||||||||||||||||||
| community_visible_stats | Yes | |||||||||||||||||||
| DLCAvailableOnStore | Yes | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | solarProtag | |||||||||||||||||||
| Store Release Date | 20 February 2025 – 05:02:38 UTC ( |
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| osarch | empty string | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| Social Media | https://bsky.app/profile/solarprotag.bsky.social |
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| Primary Genre | Casual (4) | |||||||||||||||||||
| Store Genres | Casual (4), Indie (23), Simulation (28) | |||||||||||||||||||
| Steam Release Date | 20 February 2025 – 05:02:34 UTC ( |
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| Store Asset Modification Time | 22 September 2025 – 16:38:34 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| Detected Technologies (?) | PyGame Engine, RenPy Engine | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| First seen on SteamDB | 4 November 2024 – 16:57:29 UTC ( |
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Supported Languages
| 1 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes |
Tags
Categories
Hardware Categories
Full Controller Support
DualShock Controllers (USB Only)
DualShock Controllers
DualSense Controllers (USB Only)
DualSense Controllers
Steam Input API Supported
Accessibility Categories
Adjustable Text Size
Subtitle Options
Custom Volume Controls
Playable without Timed Input
Keyboard Only Option
Mouse Only Option
Adjustable Difficulty
Save Anytime
Assets
Load all asset images
| trailer_name | Story Trailer |
| trailer_category | 3 |
| trailer_480p ↴ | |
| video/webm | 257204140/movie480_vp9.webm |
| video/mp4 | 257204140/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 257204140/movie_max_vp9.webm |
| video/mp4 | 257204140/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 3333600/879578655/b97bfee73f6cb9b383eb5091194701ef9b4e3bf0/1758558667/microtrailer.webm |
| video/mp4 | 3333600/879578655/b97bfee73f6cb9b383eb5091194701ef9b4e3bf0/1758558667/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 3333600/879578655/b97bfee73f6cb9b383eb5091194701ef9b4e3bf0/1758558667/dash_av1.mpd |
| dash_h264 | 3333600/879578655/b97bfee73f6cb9b383eb5091194701ef9b4e3bf0/1758558667/dash_h264.mpd |
| hls_h264 | 3333600/879578655/b97bfee73f6cb9b383eb5091194701ef9b4e3bf0/1758558667/hls_264_master.m3u8 |
| screenshot_medium | 257204140/7eda0fb15394da860f5f8ea71c93f6d2204e8ae3/movie_600x337.jpg |
| screenshot_full | 257204140/7eda0fb15394da860f5f8ea71c93f6d2204e8ae3/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 24 September 2025 – 13:42:56 UTC |
| trailer_name | Preview |
| trailer_category | 1 |
| trailer_480p ↴ | |
| video/webm | 257071916/movie480_vp9.webm |
| video/mp4 | 257071916/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 257071916/movie_max_vp9.webm |
| video/mp4 | 257071916/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 3333600/783201/c0cfa551371d10a53ba150730f2fa8eb0cb311a6/1750869867/microtrailer.webm |
| video/mp4 | 3333600/783201/c0cfa551371d10a53ba150730f2fa8eb0cb311a6/1750869867/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 3333600/783201/c0cfa551371d10a53ba150730f2fa8eb0cb311a6/1750869867/dash_av1.mpd |
| dash_h264 | 3333600/783201/c0cfa551371d10a53ba150730f2fa8eb0cb311a6/1750869867/dash_h264.mpd |
| hls_h264 | 3333600/783201/c0cfa551371d10a53ba150730f2fa8eb0cb311a6/1750869867/hls_264_master.m3u8 |
| screenshot_medium | 257071916/b04e862b8366c5560c5c1eca8f586cda2f7a6b20/movie_600x337.jpg |
| screenshot_full | 257071916/b04e862b8366c5560c5c1eca8f586cda2f7a6b20/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 13 December 2024 – 14:38:08 UTC |
Depots
| ID | Configuration | Size | DL. |
|---|---|---|---|
| 3333601 | 274.17 MiB | 157.02 MiB | |
| 3333602 | DLC 3334380The Mysterious Thief; Forget Me Not - Artbook | 98.82 MiB | 67.80 MiB |
Total size on disk is 372.99 MiB and total download size is 224.83 MiB.
Total size on disk is 274.17 MiB and total download size is 157.02 MiB, when filtered to Windows, English, no DLC depots.
Branches
| Name | Description | Build ID | Time Updated |
|---|---|---|---|
| public | 20248063 |
Other
| Name | Value |
|---|---|
| hasdepotsindlc | 1 |
| appmanagesdlc | 1 |