Binary package “openttd” in ubuntu focal

reimplementation of Transport Tycoon Deluxe with enhancements

 OpenTTD is a reimplementation of the Microprose game "Transport
 Tycoon Deluxe" with lots of new features and enhancements.
 .
 OpenTTD is playable with the free graphics files from the openttd-opengfx
 package and optional sound files from the openttd-opensfx package (which is in
 non-free). Alternatively, OpenTTD can use the graphics files from the original
 Transport Tycoon Deluxe game (See README.Debian on how to set this up).