System requirements are not just applicable to some games; these are part of every game. There is no game that exists today that does not have any system requirement for the computer to properly run the game.
PC games are a great way of relaxation and having fun for all ages. Either you are a child coming from school or even a working person who just went back home from work, games are for everyone and anyone. The truth is that they have evolved into a real industry.
There are innumerable computer games, which are widely popular among the children as well as a good chunk of grown ups too. Every new computer game is coming up with better graphics and resolution, which is making them more and more sought after.