before letting them play mature games. You can even set your console to not play games at this rating, http://www.4rser.com/ if you wish. It's your job to keep them gaming in a healthy manner.
Console gaming is great for kids. On consoles, you can see what they are doing and can better control content and privacy settings. You cannot always do this on the computer. Kids can be protected more easily on console systems.
Spend only a couple hours each day playing games. You can become addicted to playing Runescape, so actively take steps to avoid it. Limit the amount of time you play games to two to three hours each day. If you're someone who plays long hours, then it's best to take plenty of breaks during the day.