Kill 7 enemies with silent takedowns

Shoot an airborne grenade during Blacksight

Kill 40 enemies with science weapons

Kill 15 enemies with melee attacks

Complete all Lava Levels on Hard

Kill 50000 Monsters With One Hero

Drop the Crown 200 Times With One Hero

Destroy 5000 Props With One Hero

Reach at least Wave 10 with the highest score in any Horde Mode map

Successfully complete Subway to Hell

Kill 50 Suicide Zombies

Reach at least Wave 10 in Horde Mode – Flood of Tears

Loot a Super Elite's corpse