Steam app 3873150 · updated 12 Sep 2026, 20:41 UTC
[The world’s FIRST and BEST overlay utility to prevent 3D motion sickness]Find the ideal settings to reduce your 3D motion sickness.Activate this when playing games or watching game streams.Windowed, pin to window, borderless window and borderless fullscreen are all available!
![[Mulmiyac] for 3D motion sickness Steam header artwork](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3873150/f6002499baf663be5da82ce455f9f8955281e8a5/header.jpg?t=1789233828)
695 hourly samples, with the daily peak drawn over them. Weekends are shaded.
14 months, August 2025 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 426 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 269 hourly samples. Each dip is a night. Weekends are shaded.
[Mulmiyac] for 3D motion sickness was released on 12 Aug, 2025.
| Language | Full audio |
|---|---|
| English | |
| French | |
| German | |
| Spanish - Spain | |
| Russian | |
| Japanese | |
| Simplified Chinese | |
| Portuguese - Brazil | |
| Korean | |
| Italian | |
| Romanian | |
| Vietnamese | |
| Ukrainian | |
| Traditional Chinese | |
| Turkish | |
| Portuguese - Portugal | |
| Polish | |
| Arabic | |
| Indonesian | |
| Thai | |
| Bulgarian | |
| Filipino | |
| Kazakh | |
| Greek | |
| Dutch | |
| Norwegian | |
| Danish | |
| Swedish | |
| Spanish - Latin America | |
| Czech | |
| Finnish | |
| Hungarian | |
| Belarusian | |
| Malay | |
| Galician | |
| Gujarati | |
| K'iche' | |
| Nepali | |
| Dari | |
| Latvian | |
| Luxembourgish | |
| Lithuanian | |
| Macedonian | |
| Maltese | |
| Basque | |
| Bangla | |
| Bosnian | |
| Serbian | |
| Slovak | |
| Slovenian | |
| Armenian | |
| Icelandic | |
| Irish | |
| Albanian | |
| Estonian | |
| Urdu | |
| Georgian | |
| Croatian | |
| Persian | |
| Hebrew | |
| Hindi |
A blank audio cell means full audio was not marked in the returned language list.
37 developer announcements, Aug 2025 to Sep 2026 · times in UTC
You can now freely adjust the size and position of the area where the overlay appears using your mouse via the "Custom Area" option in the Display tab!We believe this feature will be particularly useful when watching gameplay videos.Update…
MulmiyacUpdates have been made so that when using high-resolution monitors such as 4K, text or margins in the settings window and tray menu do not become distorted even when the Windows scaling is increased to 150% or 200%!In particular, regarding…
Patch notesFixed an issue where adjusted slider values were not updated upon restarting after saving settings!
Patch notesThe UI of the Settings window has been upgraded!Additionally, UI themes have been added, so you can now choose one that suits your taste.A small icon for announcements has been added to the bottom left of the Settings window.We hope you…
MulmiyacYou can display the overlay by running the game in 'Borderless' within the game settings!
MulmiyacWe would like to thank all users of our application once again!!!Please let us know in the comments if you have any inconveniences or suggestions!Improved font and font size to enhance visibility in the settings window and tray menuRemoved…
MulmiyacAdded descriptions to the Windowed, Pin to Window, Borderless Window, and Borderless Fullscreen menus in the Display tab.Significantly increased the adjustable crosshair position area.Increased the font size in the Settings window.Improved…
Patch notesThe issue where "Length" and "Spacing" in the Overlay tab were translated only initially and then untranslated the moment the settings were changed has been resolved!
Patch notes"Borderless fullscreen" feature added!⚡ Performance ImprovementsAdded Mulmiyac On/Off toggle buttonAdded new Overlay types and stylesGreatly expanded Crosshair customizationAdded Borderless Fullscreen modeAdded Subtitle Safe…
MulmiyacYou will soon be upgraded to "V2" with an enhanced system and various features!!!! Saved settings and profiles from "V1" are not compatible !!!⚡ Performance ImprovementsAdded an full Overlay ON/OFF toggle buttonAdded new Overlay types and…
MulmiyacNow, if the program is force-closed due to a specific error,a crash log will be written to"~\\steamapps\\common\\Mulmiyac for 3D Motion Sickness\\_internal\\App\\logs"If you send the "crash.log" file itself or its contents to…
Patch notesWe have fixed an issue where the color selection interface would become distorted when the software ran with a font larger than 9pt on some Windows systems.If you notice no change or discover a similar issue again, please let us know so we…
Patch notesA new overlay pattern has been added.For now, it has been added experimentally only for 16 : 9 resolution, and other resolutions will be available in the future!Thank you to "别追杀我球球了"!!!
Mulmiyac1. First, set up the Global Overlay hotkey.2. In the Options > Video tab, select 'Windowed Borderless' (Fullscreen also appears to be available).3. With the game running, use the Global Overlay hotkey to bring up the overlay.4. If the…
MulmiyacYou can now use overlays and crosshairs even at 16 : 10 resolution!Thank you to everyone who patiently waited through this frustrating wait.We will also add a split-screen mode as soon as possible.Thank you!!!
Mulmiyac1. Set the overlay on/off hotkey in the Hotkey tab of the software settings window.2. Enter the game and select Windowed Fullscreen Mode in the Video Options.3. Bring up the overlay using the hotkey you set.
MulmiyacYou can now pin the overlay to your desired window using the 'Pin to Window' feature in the tray menu!Once you run the overlay in window mode on the active window of your monitor and pin it,the overlay will not move even if you select…
MulmiyacAdded '4 : 3' to the resolution tab!Split screen isn't supported yet due to time constraints,but windowed and stretched modes are supported :)After upgrading the overlay system, the old '2XL' and '2XS' felt way too large,so I reduced the…
MulmiyacWe've reverted the "+6" in the "Circle" of the "Crosshair" to its previous "Dot"!We hope this helps those who want to continue using the small Dot!
Patch notesThe overlays now come in 3 shapes: Box, Dome, and Flag, and can be adjusted to a total of 7 sizes.Each shape and size can be further adjusted to 7 lengths.The crosshairs also come in 3 shapes: Circle, Cross, and Diamond, and can be adjusted…
MulmiyacThe overlays have been resized to scale much more effectively!We hope this helps those who still find them too small, even when set to their maximum size.Also, six additional languages have been added.Thank you!
MulmiyacNew overlay shape, "Line," and crosshair shape, "Diamond," have been added!The size of the crosshair has been increased to be more dramatic."Malay" has been added, so we hope you enjoy it in Malaysia as well.Thank you!
MulmiyacBelarusian, Czech, Danish, Dutch, Finnish, Greek, Hungarian, Norsk, Spanish (Spain), and Swedish have been added.I hope this makes the program more convenient to use!
MulmiyacSometimes, the crosshair in certain games may not be perfectly centered.We've added the ability to adjust the crosshair's position down to the pixel level,so you can now enjoy adjusting the position for each game!
MulmiyacYou can now use Windowed Mode and Stretch Mode in the Screen Mode menu in the Overlay tab of the Settings window!When using Windowed Mode, the overlay and crosshair, customized to your preference, track the active window in real time…
MulmiyacA critical bug that caused the overlay to appear in the upper left corner on 4K resolution monitors has been fixed!A critical bug that caused the overlay to appear in the upper left corner on 4K resolution monitors has been fixed!A sincere…
MulmiyacNow, if you check the 'Start with Windows' option for the program,it will run even if Steam isn't running.Program launched via Autorun won't show up as 'Running' in your Steam library.That's probably the case...Thank you, '만찐두빵 할매 예비신랑'!!!
Patch notesOverall overlay and crosshair sizes have been resized.XXS size added, and XXL size has been resized larger.Thank you to '도레' for your feedback!
MulmiyacFilipino is now available! We hope you enjoy it and recommend it to anyone you know who might need it. Thank you!
Patch notesBulgarian is now available in the Languages tab. Thank you!
Patch notesDouble Extra Large (2XL) has been added as the largest size for overlays and crosshairs,and the overall size of Dot has been adjusted to be slightly larger!
Patch notesMinor corrections to Indonesian
Patch notesIndonesian and Thai are now available for you.Please, recommend this program to your friends in your country!
Patch notesFixed an issue where the crosshair was slightly above and to the left of the center.Improved an issue where the crosshair would turn on slightly later when the overlay and crosshair were visible at the same time.
Patch notesFixed an issue where the crosshair was slightly above the center of the screen.
Patch notesYou can now resize the UI up to 2x, and Arabic has been added.Thanks to lanyu for the idea!
Patch notesImproved the issue where programs would not launch automatically through Steam when Windows started.
Patch notesWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | Mulmiyac for 3D Motion Sickness.exe | windows |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
gameinstall | _internal/App/config_v2 | *.json |
gameinstall | _internal/App/config_v2/profiles | *.json |
gameinstall | _internal/App/logs | *.log |
It runs on public data and somebody's spare time.
![[Mulmiyac] for 3D motion sickness screenshot 1](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3873150/ba29f45ec606f3a06b61c6b25eb22bbbe3c5d22c/ss_ba29f45ec606f3a06b61c6b25eb22bbbe3c5d22c.1920x1080.jpg?t=1789233828)
![[Mulmiyac] for 3D motion sickness screenshot 2](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3873150/697a39ca12a6a145e2c400c27965cdb8d176e067/ss_697a39ca12a6a145e2c400c27965cdb8d176e067.1920x1080.jpg?t=1789233828)
![[Mulmiyac] for 3D motion sickness screenshot 3](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3873150/f51177a841aa6cb807c6878c3ce3405a7b8bddbe/ss_f51177a841aa6cb807c6878c3ce3405a7b8bddbe.1920x1080.jpg?t=1789233828)
![[Mulmiyac] for 3D motion sickness screenshot 4](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3873150/768619497b79b2ba981ed9a9bd55e19c4f69f9c4/ss_768619497b79b2ba981ed9a9bd55e19c4f69f9c4.1920x1080.jpg?t=1789233828)
![[Mulmiyac] for 3D motion sickness screenshot 5](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3873150/85124a48bfee2085a63ba68f0a2ac7c29a9cacc9/ss_85124a48bfee2085a63ba68f0a2ac7c29a9cacc9.1920x1080.jpg?t=1789233828)
![[Mulmiyac] for 3D motion sickness screenshot 6](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3873150/c4e779b9aaa44f6a7293138d44bb23fe2208bb30/ss_c4e779b9aaa44f6a7293138d44bb23fe2208bb30.1920x1080.jpg?t=1789233828)
![[Mulmiyac] for 3D motion sickness screenshot 7](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3873150/ca522f462e5a191a495053a3be61edbecb24ee5f/ss_ca522f462e5a191a495053a3be61edbecb24ee5f.1920x1080.jpg?t=1789233828)
![[Mulmiyac] for 3D motion sickness screenshot 8](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3873150/0cfd8af8219bb1700f0cf26a6531867924585c9d/ss_0cfd8af8219bb1700f0cf26a6531867924585c9d.1920x1080.jpg?t=1789233828)
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