As you may know, the Transport Tycoon game can be installed on Ubuntu 12.10 Quantal Quetzal and Ubuntu 12.04 Precise Pangolin. The game is called OpenTTD on all the Linux Distributions and is open source software.
Follow this steps and you will manage to successfully install OpenTTD on your Ubuntu Box:
Install OpenTTD on Ubuntu 12.10 Quantal Quetzal:
Step 1. Add the repository key (as root):
$ # wget -q -O- http://archive.getdeb.net/getdeb-archive.key | sudo apt-key add -
Step 2. Manipulate the /etc/apt/sources.list, like this (as root):
# echo "deb http://archive.getdeb.net/ubuntu/ quantal-getdeb games" >> /etc/apt/sources.list
Step 3. Update the system (as root):
# apt-get update
Step 4. Install OpenTTD:
# apt-get install openttd
Install OpenTTD on Ubuntu 12.04 Precise Pangolin:
OpenTTD is in the multiverse repository, which is a default repo for Ubuntu 12.04, so no hard work should be done to install the game.
Update the system: sudo apt-get update
Install openttd: sudo apt-get install openttd-opensfx