This was one of the most ridiculous challenges I've ever done. These maps were incredibly difficult, but also a ton of fun. Notice how this video is longer than Asylum and Origins failure's combined? I swear, all those super fast attempts in Lost City (Extreme) are different runs. It just took me that stupidly long.

Original Video:    • How Many Challenge Medals Can You Obt...  

Successful Video:    • Batman: Arkham City - Challenge Maps ...  

Maps:
Police Brutality: 0:00 - 0:50
Natural Selection: 0:50 - 4:01
End of the Line: 4:01 - 9:23
Police Brutality (Extreme): 9:23 - 17:22
End of the Line (Extreme): 17:22 - 27:00
Lost City (Extreme): 27:00 - 1:03:24
I Swear These Are Different Attempts: 1:03:24 - 1:07:39
Lost City (Extreme): 1:07:39 - 1:14:05
Top of the World (Extreme): 1:14:05 -