In Alpha Omega, buy all four perks in any order in 35 seconds or less

In Alpha Omega, construct all Ray Guns in a single match

In Alpha Omega, kill 115 zombies with Galvaknuckles in a single match

In Ancient Evil, impale 8 zombies with one charged attack from the Hand of Gaia

In Ancient Evil, drag 15 zombies to the underworld with one charged attack from the Hand of Charon

In Ancient Evil, survive the first 20 rounds without leaving the interior of the Temple of Apollo

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

In Dead of the Night, kill a Werewolf in the Library with a revolver

In Classified, complete 5 consecutive rounds without leaving the war room elevator in a single game

In Classified, while in last stand use a teleporter and then get revived in a single game

In Classified, kill 50 zombies while affected by Nova 6 Crawler gas in a single game

In Classified, reach round 20 without turning on the power

In IX, kill 9 zombies with a single uncharged shot from the Death of Orion