"The Dark Knight is all out of ideas, and he needs your help! The Joker is on the loose in Gotham City, and it's up to you to decide how Batman and his Super Hero friends take him down! Featuring Alfred, Robin, Batgirl, Harley Quinn, Superman, Wonder Woman, and more--the cast from The Lego Batman Movie is all here. With over thirty possible endings, the Caped Crusader needs all the help he can get!"--Back cover.