This paper offers a look at the Japanese mobile free to play market with a focus on "Gacha", a game of luck mechanism used in many Japanese games. The paper tries to explain about the concept of Gacha, its different forms, some known regulation issues and briefly looks at player and...

This paper looks at the recent discussion on "Lootboxes" by regulators in several countries referring to the case of Japan in the light of business model revolutions. A game-of-chance mechanic which can be found in more and more in digital games to acquire virtual items and to help monetize...

This paper conceptualizes "Gacha", a lottery mechanism to win virtual items, which was developed in Japan, as game of chance elements in mobile games which is used for monetization in freemium business models. Based on the concept of Gacha, referring to previous studies, this paper also analyzes...

The world game industry, especially the mobile game market, has grown rapidly in recent years. One of the interesting characteristics of mobile game performance is that its lifetime is remarkably short compared to that of online games and most downloads are peaked in the early period of the...