Two months after the game came out, it received a 20-minute prologue OVA, and nowadays it is considered one of the absolute worst anime ever made. In 2005, the last year Idea Factory would release anime, there was a game in the IF Mate label called Hametsu no Mars/ Mars of Destruction, an adventure game with a sci-fi influence. visual novels, but not the bishojo kind) like Steady X Study & the video game adaptations of anime like Bludgeoning Angel Dokuro-chan & REC.
For example, before IF's Otomate brand, home of visual novel series like Hakuoki & Hiiro no Kakera, there was IF Mate, which was made up 'adventure' games (i.e. While most of Idea Factory's anime output is based around the IF Neverland franchise, there are a few that are based on other titles.
