Published by OpenTTD
1. Keep up with technological improvements through the years as towns grow; new modes of transport are invented; and industries appear, change production, or fail.
2. OpenTTD is a business simulation game in which players earn money by transporting passengers and cargo via road, rail, water, and air.
3. Connect industries and cities on procedurally-generated maps of up to 4096 x 4096 tiles by building a network of roads, railways, docks, and airports.
4. OpenTTD is free and open-source software, licensed under the GNU General Public License version 2.0. OpenTTD is under ongoing development.
5. Work alone or with friends to complete production chains and transport finished goods to towns.
6. OpenTTD is not an abbreviation of anything.