Kill 10 minions.

First kill with a Table Lamp.

First kill with a Mannequin Arm.

First kill with a Bat.

Unlocked first door.

Kill first minion.

Unlock first container.

First encounter with Pighead.

Died once.

Solve 5% of riddler challenges

Complete a combo of 5 moves (any play mode)

Rescue the guards and henchman from the Joker toxin in Decontamination

Escapes from Weapon X