In IX, defeat all 8 challengers summoned by a gong within 5 minutes

In Blood of the Dead, kill the Warden with the Blundergat, Acidgat, and Magmagat in a single game

In Blood of the Dead, equip Hell's Retriever, Spoon, Blundergat, and Tommy Gun at the same time

In Ancient Evil, free the Eagles without switching weapons

In Tag der Toten, Ascend from Darkness

In Tag der Toten, freeze 10 zombies at once in a single match

In Classified, retrieve and equip the Project Skadi prototype

In Voyage of Despair, kill 50 zombies that are underwater in a single game

In Voyage of Despair, acquire the Sentinel Artifact

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

In Dead of the Night, use every crafting table

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

In Alpha Omega, begin Nikolai’s Grand Scheme