Batman: Return to Arkham - Enigma Conundrum (Riddler) - Side Mission Walkthrough

=================================== 0:00 - Hostage 1 - Riddler Challenges required: None 7:38 - Hostage 2 - Riddler Challenges required: None 11:01 - Hostage 3 - Riddler Challenges required: 80 14:36 - Hostage 4 - Riddler Challenges required: 160 21:31 - Hostage 5 - Riddler Challenges required: 240 27:01 - Hostage 6 - Riddler Challenges required: 320 34:22 - Riddler's Hideout - Riddler Challenges required: 400