The FOV for regular FPS games is often less than 100deg, so you get more camera view than a typical monitor, it's just that you can't see anything outside of th

The FOV for regular FPS games is often less than 100deg, so you get more camera view than a typical monitor, it's just that you can't see anything outside of that so it feels boxed in. I would liken it to playing a game in the dark.