Is it ethical to play war video games

Hey, I am thinking about getting six days in fallujah which is an intense and realistic war game. I find this interesting however I am worried if playing these violent real life war games are eroding my ethical and moral discipline, and i find myself obsessing about these games, just to clarify I am not getting stimulation about the death and danger to to innocent civilians I am concerned whether subconsciously I am progressively getting desensitised to war and could later in my life have negative consequences.

I also believe that playing games about past experiences of others is also unethical and morally wrong.

Any ideas and whether I should or shouldn’t get any more interested in this topic please let me know.

Many thanks,