The Season of Infamy: Most Wanted Expansion Add-on for Batman: Arkham Knight has 12 achievements.
Lockup Killer Croc in GCPD.
Gain access to the high security area.
Defeat the prisoners.
End the League of Assassins' war.
Discover the Lazarus pit.
Follow the assassin's trail.
Lock up Mad Hatter in GCPD.
Rescue Mad Hatter's second hostage.
Rescue Mad Hatter's first hostage.
Interrogate the Militia Lieutenant.
Track down the cryopod.
Survive the Militia onslaught.