Meandering the streets of Akihabara, you will find more than a dozen stores that sell nothing but video games.
You will not find any that specialize in computer games, although a few of the bigger Sofmap and Yamagiwa stores have floors for computer software, including games. Computer games have never caught on well in Japan, but PCs make excellent gaming platforms. But just try to get that news out . . .
Individual PC makers cannot possibly hope to compete with the likes of Microsoft, Nintendo, and Sony when it comes to advertising money, nor can computer games compete with the popularity of their video game rivals when it comes to public mindshare.