Chart-Track

Activision said the sales data were gathered by Chart-Track and retail customer sell-through information.

'Call of Duty' Sales Hit $400 Million Matt Jarzemsky 2011

In creating the report, the NPD Group collaborated with GfK Chart-Track Limited, a research company based in West London that monitors sales in the UK, Ireland and Denmark, and Enterbrain, which tracks Japan's video game industry.

'Grand Theft Auto IV' tops world video game sales 2008

Overseas, Zumba Fitness continues to top the charts where it just finished a run of 10 consecutive weeks as the #1 title across Chart-Track U.K. all formats chart, as an ongoing advertising has contributed to increased sales in France and Italy as well.

unknown title 2011

Overseas, Zumba Fitness continues to top the charts where it just finished a run of 10 consecutive weeks as the #1 title across Chart-Track U.K. all formats chart, as an ongoing advertising has contributed to increase sales in France and Italy as well.

unknown title 2011

Chart-Track, "Orb Collector 2" sales dropped 36 percent and only sold about 800 units more than Ubisoft's show tune-themed

Joystiq 2010

Chart-Track, "Orb Collector 2" sales dropped 36 percent and only sold about 800 units more than Ubisoft's show tune-themed

Joystiq 2010

After a longer than hoped absence from the global games market, the return of the Splinter Cell series has seen the latest release, the Xbox 360 only Conviction, debut at the top of the ELSPA GfK Chart-Track All Formats Top 40.

The game retail industry according to MCV 2010

Chart-Track, "Orb Collector 2" sales dropped 36 percent and only sold about 800 units more than Ubisoft's show tune-themed

Joystiq 2010

The PC digital download business is now a viable sector but somewhat invisible as it's not yet covered by Chart-Track.

Softpedia News - Global Andrei Dumitrescu 2010

Chart-Track, more copies of RDR were sold than all the games in spots 2 - 7 put together.

Eurogamer 2010