The late 1990s to the mid-2000s are often referred to as the "Golden Era" of Need for Speed. During this period, the series saw significant improvements in gameplay, graphics, and features. Games like Need for Speed: Hot Pursuit (2002), Need for Speed: Underground (2003), and Need for Speed: Most Wanted (2005) are still remembered fondly by gamers today. These games introduced new gameplay mechanics, such as drifting, nitrous boosts, and police chases, which became staples of the series.