How to prevent my site page from being loaded into other website iframe?

Question

We have many gaming websites, among them I am hosting exclusive games on my server, and i don\'t want to access my games to other websites from my server. I want to restrict the

Answer 1

if (window.top != window.self) {
                window.top.location = window.self.location;
            }

It first checks that the top most frame is the frame itself or not if it is not it changes the top level frame to this one. it is javascript.