Hit 45 weakspots

Activate the Supercharged Mode for the first time

Kill 10 enemies in a row using only Gauntlet after obtaining the Revolver

Perform 15 finishers

Solve every riddle on the island

Glide continuously for over 100m

Complete story mode on Easy difficulty

Defeat the giant Titan Ivy plant

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

Venture into Killer Croc's lair and come out alive

Solve 55% of Riddler challenges

Defeat Titan henchman without using Batarangs (any play mode)