Update
Stable first, then reinstall.
Replace MOMI only with an author release you intentionally selected. Run it again after loader, mod, or game updates. A newer timestamp alone never proves a mod compatible.
MOMI · safe installation
Install from the author. Keep a way back.
This guide paraphrases the author-maintained flow. It hosts no executable, does not ask you to disable security tools, and treats game updates as mandatory re-review events.
Before downloading
MOMI modifies how supported mods are applied to game files. Confirm the author and release URL, keep your backup, and stop if the source or filename does not match the author page. Do not create broad antivirus exclusions based on a third-party guide.
- 1
Back up before touching the install
Close the game and installer. Copy your save folder to a separate location you control. Keep the original in place; do not test on your only copy.
- 2
Create the author-documented mod folder
On Windows, the author README places a folder named mods beside FieldsOfMistria.exe. On Steam Deck/Linux, it documents either the game folder or a mistria-mods folder in your home directory.
- 3
Use the latest stable author release
Open the GitHub releases page below and choose the release marked Latest, not a pre-release. At this review, that stable release is 0.15.7.
- 4
Extract and run MOMI
Run the extracted installer. If it cannot find the game, the author says to place it in the game folder beside Maybe.toml, then use Install after extracted supported mod folders appear.
- 5
Re-run after every game update
The author explicitly instructs players to run the installer again after the game updates. Re-check individual mod status before adding optional mods back.
Uninstall and restore
Use the loader's reversible path.
The author Nexus page directs users with a missing-executable problem to MOMI's Uninstall action. Afterward, use your storefront's file verification if needed; never delete save data as a repair step.
Open the author release page
This site does not proxy, bundle, or mirror MOMI. The outbound click records only the aggregate destination host while analytics remains disabled by default.
Open MOMI releases ↗Common author-documented checks
- MOMI cannot find the game: place it beside
Maybe.tomlin the game folder. - MOMI cannot find mods: check the platform-specific folder name and location.
- A mod is not detected: extract it, avoid a duplicate nested folder, and confirm the author package contains its manifest.
- A game patch just landed: re-run current stable MOMI, then keep unreviewed mods disabled.
Evidence trail
Sources used on this page
Each entry states what it supports. A link is not treated as blanket proof for unrelated claims.
- Mods of Mistria Installer author READMEfirst party mod author
Garethp and contributors · accessed 2026-08-23
Supports: Windows and Steam Deck/Linux folder setup, installation, post-update re-install, and manifest troubleshooting.
- Mods of Mistria Installer releasesfirst party mod author
Garethp and contributors · accessed 2026-08-23
Supports: Stable versus pre-release labels and the release response to game version 1.0.4.
- Mods of Mistria Installerfirst party mod author
Garethp · accessed 2026-08-23
Supports: Platform scope, GPLv3 notice, author identity, and Uninstall-button recovery guidance.