OpenTTD — Transport Tycoon

OpenTTD is the evolution of one of the best economic simulators of all time. The original Transport Tycoon Deluxe by Chris Sawyer appeared in 1995, and a community later rebuilt it completely as open-source OpenTTD, improved it and extended it over years with thousands of details. The result is a game of enormous depth that is nonetheless instantly accessible.

Your job is to build a transport company. You connect towns and industries with railway lines, bus routes, truck routes, shipping lines and airports. Coal travels from the mine to the power plant, passengers commute between towns, goods flow from the factory to the shop. For every successful delivery you collect money that you pour into new routes and faster vehicles.

The appeal lies in the detail. Signals that guide trains safely across single-track lines. Stations with several platforms that avoid jams. The right moment to switch from steam to diesel and later to the electric high-speed train. OpenTTD rewards clever network planning and punishes sloppy routing with ugly traffic jams.

Over the in-game decades the technology advances: vehicles become faster, larger and more efficient, new vehicle types arrive and old ones are retired. At the same time the towns you serve well keep growing, which creates new demand. It is a cycle that can grip you for hours with no end in sight.

Controls are mouse-driven. You build and navigate by clicking, a right-click shows info, and the scroll wheel zooms over the map. The menus are full of options, but you can start small - a bus route between two towns - and work your way up to a nationwide network step by step.

OpenTTD runs entirely in your browser. No download, no installation, no account. It is open source, nothing is permanently sent to a server, and you can build your first route right away.