As a lifelong LEGO Batman fan, Legacy of the Dark Knight is nothing short of a dream come true. While I will praise the revamped combat, detailed open world, and charming story, it's the design philosophy they're spawned from that makes the game so successful. Legacy of the Dark Knight leaves no meat on the bone, with no corner of Batman's mythology left unturned as it depicts every version of the Caped Crusader fans have come to love. Even with my dissatisfaction with stealth and some minor glitches, the latest Lego Batman is a rain-slicked success. As I played, I heard developer TT Games' thesis ringing through, loud and clear: People love Batman; here are all the reasons why. Story mode takes players across decades of Bruce Wayne's life, from young child to rookie vigilante to greying patriarch of the Bat Family. To do so, TT Games pulls sequences from most of Batman's live-action appearances, remixing them into a single narrative.…