Windows will warn you about changing the file extension; click Launch the game using the original speed2.exe Using a No-CD Executable

Released in November 2004, Need for Speed: Underground 2 revolutionized the racing genre. It introduced an open world (Bayview), deep visual customization, and the iconic Dyno Tuning system. However, for PC players, it also introduced a logistical nightmare: .

Launch the game; this "marker file" often bypasses the CD check for many users.