Bandai Namco’s excellent, Gundam-based Sci-Fi social game Gundam Masters reached the two million user milestone on GREE. The title was released on September 1 last year and racked up the first million users in about 4 weeks.
In other words, growth slowed down significantly, but Namco Bandai should be reaching 15 million players across all their social games in Japan very soon.
The company is currently running an in-game campaign to celebrate the 2 million player milestone for Gundam Masters through April 17: