In the world of Otome Games/Dating Sims, “P.S. I LOVE U GACKT” is just one of many in the market, and in comparison, game play is extremely linear and basic. You made decisions which don’t seem to alter the storyline. All they do is change how much the “FEELING” meter goes up by, which affects the ending.
Still, the novelty of being able to date Japanese rock singer GACKT in multiple scenarios makes it amusing and entertaining. However, in the long run, it may only be his fans who are willing to wait and collect tickets or spend money to unlock the next few chapters in the story.