Of course, as you advance in the game you gain access to air and naval routes as well, which give much higher revenue (normally). This is achieved by having a constant stream of income, a large fleet of vehicles, and a high quantity of goods delivered to their respective destinations.Īt first, you can only build roads and trucks, establishing basic commercial routes that aren't terribly profitable. One playthrough of OpenTTD JGR will take you through the period between 19, during which you have to try your hardest to increase your score. In it, your objective is to create a profitable transportation network between different cities. OpenTTD JGR is an update to the great Android adaptation of the open code 'Transport Tycoon Deluxe'.