Save the damsel, but is she in distress?

KO all the henchmen celebrating your arrival at the party

Solve every riddle on the island

Solve 85% of Riddler challenges

Venture into Killer Croc's lair and come out alive

Conquer the effects of the Scarecrow's fear gas

Defeat Titan henchman without using Batarangs (any play mode)

Conquered Barbarians

Glorious Coronation

Oleg's Duty

Defeat both Lightning Skeleton arenas in The Great Temple on Hard Mode, with 2 or more players (or as Javier Jaguar)

Resourceful Father

Win an Episode as part of a party of 3 or more players