...

This page should help you solving the most common mishaps by yourself.

A common installation issue especially on Linux when having purchased the game through GOG is a missing Vulkan runtime. Details how to solve this can be found here.

Exitcodes

When you try to start the game, it performs some early startup checks and if it determines some setup issues, will provide you with an popup like the following one which provides you with instructions on how to resolve the startup problem yourself:

...