OpenTTD packshot image
OpenTTD is an open source simulation game based upon the popular Microprose game "Transport Tycoon Deluxe", written by Chris Sawyer. It attempts to mimic the original game as closely as possible while extending it with new features.
OpenTTD GPU Performance Comparison Graph

OpenTTD GPU Analysis
Comparing OpenTTD PC system requirements to all GPUs shows that OpenTTD is going to need a graphics card that is capable of DX 9 or OpenGL 3.1.

To get the best visual graphical experience on OpenTTD , aim to have a GPU that has at least 512 MB GPU RAM.

Most bottom end graphics cards currently available today, will probably allow you to play OpenTTD

We are advised that 11 year old graphics cards should be able to run OpenTTD , but there could be a few exceptions to this rule.

Note that most games do not officially support laptop graphics cards, but nowadays many laptop graphics solutions are capable of running modern games. Whether desktop graphics cards or laptop, try searching for your graphics card to compare against the OpenTTD graphics card requirements chart below.