Original: This expansion pack featured levels that were based on real-world locations, such as the White House, the FBI headquarters, the Smithsonian museum, and the Washington Monument and other places in Washington, D.C. This game was also developed by Sunstorm.
Simplified: This pack has levels that are based on real locations of Washington DC, such as the White House, the FBI headquarters, the Smithsonian museum, and the Washington Monument and others.