Solve 5% of riddler challenges

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a combo of 5 moves (any play mode)

Defeat 75 enemies in a row without dying

Play using every contestant

Defeat 250 enemies with headshots

Find 90 treasures

Find 70 treasures

Find the Strange Relic

Defeat 70 enemies with the FAL

Defeat ten enemies with grenades by aiming while hanging

Finish the game in Hard Mode

Find 50 treasures