Kazuya Maruyama Explains How ‘Gundam Evolution’ Fits In With The Gaming Legacy Of ‘Gundam’ Having played the initial closed beta test of 'Gundam Evolution', I reached out to Bandai Namco to find out more about how the game came to be. The game’s producer Kazuya Maruyama was gracious enough to help explain how it fits in with the legacy of other 'Gundam' games.