Defeat 4 enemies within the duration of a single scare effect.

Break into Riddler's secret hideout and exact your revenge.

Rescue your friend.

Shoot an airborne grenade during Blacksight

Kill 15 enemies with melee attacks

Kill 5 enemies with a headshot during Blacksight

Stun an enemy 30 times with the M2 ‘Falchion'

Kill 25 enemies without aiming

Kill 100 enemies with a headshot

Kill 3 enemies with a single explosion

Kill 40 enemies with science weapons

Defeat an arena with at least 2 players