Defeat the prisoners. - Batman: Arkham Knight
KO all the henchmen celebrating your arrival at the party - Batman: Return to Arkham - Arkham Asylum
Complete a combo of 40 moves (any play mode) - Batman: Return to Arkham - Arkham Asylum
1,774/4,6991,190/2,00074/113
1,030/2,237680/1,00036/47
4,244/13,1341,900/4,000102/197