For me, it's Factorio.

a game in which you build and maintain factories.

It even has Wayland support!

(Version 1.1.77» Fri Mar 03, 2023 3:44 pm)

Graphics

• Added support for Wayland on Linux. To enable it, set SDL_VIDEODRIVER=wayland in your environment. (thanks to raiguard)

What's yours?

EDIT: Great Linux ports* not like some forced ports that barely work or don't.