Catch a Batarang (any play mode)

Perform a perfect combo including all of Batman's combat moves (any play mode)

Achieve 8 medals on combat challenges

Complete one predator challenge by using only Silent Takedowns and without being detected

Complete story mode on Normal difficulty

KO all the henchmen celebrating your arrival at the party

Ride Titan henchman and knock down 10 thugs (any play mode)

Move the ball from the Winterses' bedroom into the study.

Finish the story on at least Casual difficulty.

Complete the village map.

Place the Giant's Chalice in the ceremony site.

Defeat at least three enemies with one attack in the story.