Installation on Debian
Thanks to Alexgleason for this tutorial.
Install the repository
If you’re running a Debian-based OS (Debian, Ubuntu, Linux Mint, Elementary OS), run the commands below to install the PPA repository.
sudo echo "deb http://download.opensuse.org/repositories/home:/nate-devv:/solarus-debian/xUbuntu_16.04/ ./" > /etc/apt/sources.list.d/solarus.lis
wget -qO - http://download.opensuse.org/repositories/home:/nate-devv:/solarus-debian/xUbuntu_16.04/Release.key | sudo apt-key add -
Install the engine
Now you must update your package lists. Run this in your terminal.
sudo apt update
Finally, install the Solarus engine and its game editor, Solarus Quest Editor.
sudo apt install -y solarus solarus-quest-editor
You should now be able to launch the Solarus Quest Launcher (which helps you play games) and the Solarus Quest Editor (which helps you make games) from your applications menu.
At this point, you can install the games below.
The Legend of Zelda: Mystery of Solarus DX
sudo apt install -y zsdx
The Legend of Zelda: Mystery of Solarus XD
sudo apt install -y zsxd
The Legend of Zelda: Return of the Hylian Solarus Edition
sudo apt install -y zelda-roth-se
The Legend of Zelda: Book of Mudora
sudo apt install -y zbom
The Legend of Zelda: Tunics
sudo apt install -y tunics
After installing games, you can launch them from the Solarus Quest Launcher in your applications menu.