There are many games where weapons play an essential role in the core activities that players can engage with even outside combat, whereas there are other titles in which guns and weaponry, in general, are pretty much the focus. There is a huge spectrum on which video games can fall, with one end being more about exploration and relaxation and the other converging more towards action and combat. It's not as simple as that, but from one end to the other, weapons typically play some sort of role.