A bonus code is a text string that casino players use to claim an offer. It may be in numbers or letters or a combination of both. Bonus codes work only for a specified period of time, after which they expire. Additionally, they are special offers and can only be used on certain games.
When mentioning Japan, people often think about sushi and samurai, but the Japanese are also famous for being hardworking and humble. Most forms of gambling are banned in Japan, but online mobile gambling is growing fast in the country and it's easy to find attractive bonus offers targeting Japanese residents.