Game Creation Mastering Development

i need help developing my games concept. How can i not infringe on another game, while having a similar concept to that game?

So the Call Of Duty game (Black Ops) has its story revolving around Number stations, Mk-ultra brainwashing, Black operations and Soviet biochemical weapons, i want to have my story’s concept pretty much similar like that with some differences, but i don’t want to infringe on the original story, does anyone have any ideas for my […]