You can pretty much drag and drop a working FPS in unity. But I have half vibed an FPS in Pygame so its 100% viable (Mine is First and Person, and has motion,

You can pretty much drag and drop a working FPS in unity. But I have half vibed an FPS in Pygame so its 100% viable (Mine is First and Person, and has motion, but its more of a flight simulator. I am sure the rest of the features would be piss easy)