Batman, Batgirl, Nightwing, and Robin have to defeat the villains in this image. All the villains in the image are Bane, The Riddiler, Possion Ivy, Harley Quinn, The Jocker, Two-Face, The Penguin, Catwoman, Clay-Face, and Mad Hadder.
The Arkham Asylum prisson was a insane asylum but Batman truned into a prison for his's insane villains like the Jocker, Harley Quinn, Poison Ivy, Scarecrow, Victor Zsasz, Mad Hatter, Clay Face, Man Bat, Killer Moth are all the Insane villains. Two-Face, Riddler they are not insane but they do get put in Arkham anyway and Catwoman who occasionally but also appears in Arkham. As for Killer croc he is put in a specialized habitat.
Blackgate Penitentiary is a prisson for the sane villians. Blackgate Blackgate Penitentiary is a prison on an island. The villians that are held there are Penguin, Catwoman, The Riddler when deemed sane enough for trial, Deadshot sometimes sent to Belle Reve, but also appears in Blackgate, Bane who has been held in both Arkham Asylum and Blackgate Penitentiary prissons, and all the mob bosses and common thugs are held here as well.
The bat famly consist of four members whicht are Batman, Robin, Nightwing, and Batgirl. Alos now the bat family has to deal with 17 different super Villains.