The Longing GPU Analysis
Comparing The Longing PC system requirements to all GPUs shows that The Longing is going to need a graphics card that is capable of OpenGL 3.0.

To get the best visual graphical experience on The Longing, aim to have a GPU that has at least 1GB GPU RAM.

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

We are advised that 13 year old graphics cards should be able to run The Longing, 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 The Longing graphics card requirements chart below.