Remember the board game "Risk"? Real-time strategy (RTS) videogames – played from a top-down perspective – are its descendents. Now, with the just-released "Halo Wars," Microsoft has folded RTS into its popular Halo series, USATODAY reports. This is good news for parents in two ways. Not only is strategy more the focus than shooting, it's rated "T" for Teen because it "transports the hit sci-fi game franchise from a first-person shooting style to a more cerebral, real-time strategy mode," according to USATODAY, and this could boost sales for other strategy games. The article mentions several of them.