On Linux, even though the mouse is locked to the game window, there's still a limit to how far I can turn in either direction. Very distracting.
There's a warning for photosensitive epilepsy that says to "immediately stop playing" and then the logo that you see right after that has flashing colors. You should probably be a little more specific at least, like, "press alt+F4 now". But really, a prompt for "continue?" would be conscientious