"Family participation is also great for media activities—it encourages social interactions, bonding, and learning. Play a video game with your kids. It's a good way to demonstrate good sportsmanship and gaming etiquette. You will have the opportunity to introduce and share your own life experiences and perspectives—and guidance—as you play the game."
Personal Note: Healthychidren.org has a wonderful series of advice for parents. I have saved each of them and have made them available at this link.