Complete "Before and After Science"

Complete "Ride the Lightning"

Protect the survivors

In Alpha Omega, kill 11 zombies with 5 different traps

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

In Alpha Omega, kill 15 Jolting Jacks on rooftops with grenades in a single match

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

In Alpha Omega, survive the first 20 rounds without leaving Security Checkpoint

In Ancient Evil, complete all the Primordial God Trials

In Ancient Evil, fling 20 zombies with one channel attack from the Hand of Ouranos

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

In Ancient Evil, free the Eagles without switching weapons

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