Unlock all achievements

Complete the game with Zoe

Complete the game with Sasha

Complete the game with Crystal

Complete the game on Hardcore difficulty without using any Continue

Unlock all of the Zombie Museum items

Get the achievements 'Rock & Roll (Gold)', 'Heavy Metal (Gold)', Black Metal (Gold)' and 'Death Metal (Gold)

Perform 10 Rock & Roll combos

Perform 50 Rock & Roll combos

Perform 10 Heavy Metal combos

Perform 50 Heavy Metal combos

Perform 10 Black Metal combos

Perform 30 Black Metal combos

Perform 5 Death Metal combos

Perform 20 Death Metal combos

Kill 25 Marines

Kill 50 Marines

Kill 100 Marines

Kill 500 Zombies

Kill 2500 Zombies

Kill 5000 Zombies

Kill 50 Spiders

Kill 100 Spiders

Kill 200 Spiders

Destroy 25 explosive items

Destroy 50 explosive items

Destroy 100 explosive items