In Ancient Evil, finish what was started

Eliminate 10 zombies that were damaged by the Energy Mine Artifact

Sacrifice 13 Hearts

Drink from all 5 Demonic Fountains in a single session

Reach max level with a weapon (base game weapons only)

In Dead of the Night, stake a Nosferatu in the Dining Room

In Dead of the Night, shrink 15 zombies with a single shot from Alistair’s Annihilator

In Dead of the Night, get bitten by a Crimson Nosferatu

In Blood of the Dead, feed a wolf head from the Gondola, Citadel, and Model Industries in a single game

In Dead of the Night, unlock the Forest by round 7

In Blood of the Dead, kill 5 zombies with the Hell's Redeemer before it starts its return

In Ancient Evil, fully reignite the Eternal Flame by round 15

In Alpha Omega, stun 10 zombies at once with the Ray Gun Mk. II-V