1. Download and install all of the necessary components:
sudo apt install libsdl1.2debian libsdl-mixer1.2 libsdl1.2-dev libsdl-image1.2-dev libsdl-mixer1.2-dev libsdl-ttf2.0-dev nasm zlib1g libgme0 upx-ucl build-essential
3. Download the game files:
wget https://nzarx.github.io/srb2/SRB2-2.0.tar.xz
4. Extract the archive:
tar -xvzf "SRB2-2.0.tar.xz"
5. Remove said archive:
rm SRB2v2.0.7.tar.gz
6. Move the SRB2 icon to a specific directory so that it can be seen in the shortcut file:
cd && wget https://nzarx.github.io/srb2/srb2-2.0.png && mv srb2-2.0.png $HOME/.icons/srb2-2.0.png
7. Download the shortcut file:
wget https://nzarx.github.io/srb2/srb2-2.0.desktop
8. Move said shortcut file to the local shortcut directory:
mv srb2-2.0.desktop .local/share/applications/srb2-2.0.desktop