Finally got The Curtain Falls after 4, maybe 5 hours : r/BatmanArkham
For the past 2 weeks I've been slowly trying to unlock 100% of the Arkham Knight achievements an I'm trying "the curtain falls" an with several restarts today with catwoman I had
Rocksteady Studios - New DLC incoming for #ArkhamKnight! Crime Fighter Challenge Pack #6 drops on 1/19 for PC owners; 1/26 on console. | Facebook