Also, if its a just war, its not murder. So, in Call of Duty 4, you pretend your killing terrorists. hoorah.
Grenada! And if you are playing on Hardcore then they die from just about anything without having to suffer, so that makes it a little better, right?
(Everything I say is assuming that one is active in the Word, prayer, service, and has a good conscience before God)
This is an interesting issue because there are a number of factors involved. Many of them have been touched on already, such as the point that different games involve different objectives and scenarios. I don't play Grand Theft Auto because the objectives and scenarios are simply immoral. However, games that are war oriented are simply killing other people and the issue of a just or unjust war really isn't dealt with. Personally, it seems like a stretch to consider that a sin although it turns into one if it causes hatred, desensitization, or over-involvement (idolatry).
One of the things that the Lord saved me from was a video gaming addiction. I was seriously addicted to FPS games and MMORPGs, and I have experienced a lot of the hatred, desensitization, and idolatry I mentioned. The Lord rescued me from that dependence on entertainment and gave me a very important perspective: it's about balance and maintaining a good conscience because
everything needs to be done for the glory of God. If you personally think it is questionable, it is probably best to be not involved in the game. And for kids, the parents should be very discerning in what games the kids are entertained with and how long they play.