Analysis of information sources in references of the Wikipedia article "1997 in video games" in English language version.
Source: The NPD TRSTS Video Game Tracking Service, The NPD Group, Inc., Port Washington, NY; ranked by units sold
Square's Final Fantasy VII software has sold more than 6 million copies worldwide, making it the biggest selling Playstation software.
Source: The NPD TRSTS Video Game Tracking Service, The NPD Group, Inc., Port Washington, NY; ranked by units sold
Last month Final Fantasy VII hit the stores and sold 1.5 million copies the first week.