Look out, boys -- these girls own the road! Mary-Kate and Ashley are celebrating their Sweet 16th birthday and their new driver's licenses with an all-new videogame that puts them on the highway to fun, fashion and fast-paced action that's excitement at every speed. The Olsen Twins are gathering all their friends for a gigantic birthday bash, where they'll be playing classic party-style games that emphasize the rules of the road and the need for speed! Take the challenge of passing your own driver's test so that you can go cruising, or roll out on some full-house dubs in mini-games that include ATV and jet-ski racing, surfing, rock-climbing, and even running a car wash! Plus, the twin's fashion sense shows its style as you collect party points that you can use to upgrade your car, buy hot clothes, unlock cool tunes, and much more! Get going and make for the fast lane -- this is one party you won't want to miss!