Available Linux Packages - derrod/legendary GitHub Wiki
This is a non-exhaustive list of Linux distributions where Legendary is available as a package for the native package manager. Note that these packages are unofficial unless otherwise stated.
Arch (AUR)
AUR page: https://aur.archlinux.org/packages/legendary/
Either install the package through your favorite AUR helper or follow these steps to accomplish the same manually:
git clone https://aur.archlinux.org/legendary.git
cd legendary/
makepkg --cleanbuild --syncdeps --install --clean --rmdeps
Fedora
Available in official Fedora repositories.
Run this to install Legendary:
sudo dnf install legendary
openSUSE
Available in openSUSE community repositories.
Gentoo
Available in ::guru. You'll need to add the repository “guru”.
emerge games-util/legendary