Click on Research by Subject, choose Computer Science, and under Core Resources, choose Computers & Applied Sciences Complete which covers the research and development spectrum of Computer Science. Your search for computer games as keyword elicited 15,000 articles which you can narrow down by adding "research", if you wish, or you can search through these to choose the most useful articles for your paper. The journal or paper which published the article is usually listed on the second line of the entry. Click on PDF Fulltext to read the article.