Clear the airwaves

Drop in on an old friend

There is only one way in

Answer the call for help

Find someone to play remote Batarang catch with

Become the Bat

Achieve 24 medals on combat challenges

Achieve 16 medals on combat challenges

Achieve 16 medals on predator challenges

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

Defeat Titan henchman without using Batarangs (any play mode)

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