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SPECIFICTION
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Lucki Mod Manager

github.com

Linux
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Spec score 6.8 #77 of 78 in Mod managers

Spec sheet

Purpose
Lucki Mod Manager is described as a simple game mod manager using OverlayFS.Read 11 Oct 2026 · github.com
Free plan
YesRead 23 Sep 2026 · github.com
Security
The README does not state any security certification or compliance claim.Read 11 Oct 2026 · github.com
Maker
The repository is under the GitHub account Lucki.Read 11 Oct 2026 · github.com
Command wrapping
The wrap command runs an external command between mod activation and deactivation.Read 11 Oct 2026 · github.com
Configuration
Game configurations use TOML and are placed in $XDG_CONFIG_HOME/mod-manager.Read 11 Oct 2026 · github.com
Deployment method
virtualRead 23 Sep 2026 · github.com
How it works
It mounts game files in place with configured modifications layered on top, then unmounts the overlay and restores the original files after the session.Read 11 Oct 2026 · github.com
Installation
The README gives source build instructions using Rust and Make or Cargo, followed by installation with make install.Read 11 Oct 2026 · github.com
Intended use
The README demonstrates applying modifications to a Steam game by adding a mod-manager wrap command to the game's startup parameters.Read 11 Oct 2026 · github.com
Known limitation
The README warns users not to change original game files or mod files while they are mounted because OverlayFS behavior is undefined.Read 11 Oct 2026 · github.com
Launch options
The wrap command runs an external command between mod activation and deactivation.Read 11 Oct 2026 · github.com
Launcher compatibility
The on-demand file replacement is described as transparent to launchers such as Steam.Read 11 Oct 2026 · github.com
Mod profiles
YesRead 23 Sep 2026 · github.com
Mod sets
Configurations can group modifications into sets, nest sets, and select a set when activating or wrapping a game command.Read 11 Oct 2026 · github.com
Mod setup
Its setup command collects changes made to a game into a folder containing the modification files.Read 11 Oct 2026 · github.com
Mod source access
manual importRead 23 Sep 2026 · github.com
Operational limitation
The README warns that changing original game files or mod files while mounted has undefined behavior, so mods should be deactivated before those files are altered.Read 11 Oct 2026 · github.com
Restore originals
When a session ends, the manager unmounts the overlay and moves the original files back to their original place.Read 11 Oct 2026 · github.com
Shell completion
The repository includes zsh and carapace completions; tomlq is optional for these completions.Read 11 Oct 2026 · github.com
Supported platforms
linuxRead 23 Sep 2026 · github.com
Transparent activation
It layers configured modifications over game files on demand, which the README says is transparent to launchers such as Steam.Read 11 Oct 2026 · github.com
Writable mode
The activate and wrap commands provide a --writable option for mounting with write access.Read 11 Oct 2026 · github.com

Where Specifiction places it

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