See this LibAnswer: Where do I find industry statistics and reports? 

• In the resources on the above link, try searching terms such as "video games" or "computer games." 
• Place terms in quotations to search the exact phrase. 

Also try: 

• The Entertainment Software Association provides industry information and statistics on its website.
  • Click the Data & Resources tab and then Data and Insights. 
  • The ESA also produces annual reports. 

For further assistance, contact bis@library.illinois.edu.