The Sims 2 is the sequel to the best-selling PC game of all time! This highly anticipated simulation is based on a proprietary 3D engine will allow for new facial expressions and body gestures. Perhaps the biggest change for the Sims series is the addition of DNA. The Sims can now pass on characteristics to their offspring, which will resemble and look like their relatives. In addition, not only will Sims grow old with age, but their physical characteristics will change depending on which activities they're undertaking. The strategy of playing the Sims 2 across a lifetime and experiencing their emergent traits and behaviors will give players a more realistic gaming experience.