Set Pepper's trailer on fire.

Quack 100 times.

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a combo of 5 moves (any play mode)

Obtain all the Trophies.

Gather all "Letters of the Lost".

Attend the final ceremony.

Kill Hoyt.

Dive more than 60m.

Liberate all outposts.

Fully distract 25 enemies with rocks.

Use your wingsuit to reach the Southern island.

Kill a target from 70m or more with the bow.