Batman battles his archenemy, the Joker, who instigates an elaborate plot to seize control of Arkham Asylum, trap Batman inside with many of his incarcerated foes, and threaten Gotham City with hidden bombs.
On a routine trip returning The Joker to Arkham Asylum, the Batman himself must deal with traps set within its inner sanctums, purposely set by the now escaped Joker, along with the rest of his rogues' gallery that are now free within the premises.—tb4000
After the Joker breaks free from his imprisonment and takes over the entire facility of Arkham Asylum, Batman finds himself having to come against some of his greatest enemies and several inmates as he sets out to stop the clown prince of crime.—Chase Boggs
After the Joker springs a trap on Batman, the inmates of Arkham Asylum are set free and wreak havoc upon Arkham Island. Stuck inside the prison holding his greatest enemies, Batman must fight for his life and help all surviving police officers get out of the Asylum.—Johnny