Online gaming in Japan has grown by over 18% in the past one year ending July 2009. There were 16.5 million online gamers in the month of July. Here are the most popular online gaming websites in Japan in terms of the number of unique visitors:

1. Yahoo Games
2. Hangame.co.jp
3. Wazap.com
4. Nexon Corp
5. Chibicon.net
6. Dqix.jp
7. Gamepot Inc.
8. Goo Games
9. Gamania.co.jp
10. MSN Games

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