April 26, 2013, 2:01 PM — Here's how you can install Minecraft in Ubuntu 13.04.
1. Open a terminal window.
2. Type in the following commands then hit Enter after each.
sudo add-apt-repository ppa:minecraft-installer-peeps/minecraft-installer
sudo apt-get update
sudo apt-get install minecraft-installer
For more, see the original article at the link below.