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 40% of riddler challenges

Find 40 treasures

Find 30 treasures

Finish the game in Easy Mode

Defeat 50 enemies with the Dragon Sniper

Defeat 20 enemies with a single punch, after softening them up with gunfire

Defeat 30 enemies with the Moss - 12

Defeat 20 enemies with gunfire by aiming while hanging