01. 20 Gamerscore: Zombie Hunter - TYPE: 1 Play REQ: Defeat at least 1,000 zombies.
02. 20 Gamerscore: Zombie Killer - TYPE: 1 Play REQ: Defeat at least 10,000 zombies.
03. 20 Gamerscore: Zombie Genocider - TYPE: 1 Play REQ: Defeat at least 53,594 zombies.
04. 20 Gamerscore: Self Defense - TYPE: 1 Play REQ: Defeat at least 1 psychopath.
05. 20 Gamerscore: Peace Keeper - TYPE: 1 Play REQ: Defeat at least 5 psychopaths.
06. 20 Gamerscore: Punisher - TYPE: 1 Play REQ: Defeat at least 10 psychopaths.
07. 20 Gamerscore: Legendary Soldier - TYPE: 1 Play REQ: Defeat at least 10 special forces soldiers.
08. 20 Gamerscore: Hella Copter - TYPE: 1 Play REQ: Successfully repel a helicopter.
09. 20 Gamerscore: Tour Guide - TYPE: 1 Play REQ: Escort 8 survivors at once.
10. 20 Gamerscore: Frank the Pimp - TYPE: 1 Play REQ: Simultaneously escort 8 female survivors.
11. 20 Gamerscore: Full Set - TYPE: Total REQ: Collect all portraits in the NOTEBOOK.
12. 20 Gamerscore: Humanist - TYPE: 1 Play REQ: Get at least 10 survivors out of the mall.
13. 20 Gamerscore: Life Saver - TYPE: 1 Play REQ: Get at least 20 survivors out of the mall.
14. 20 Gamerscore: Saint - TYPE: 1 Play REQ: Get at least 50 survivors out of the mall.
15. 20 Gamerscore: Strike! - TYPE: 1 Play REQ: Send at least 10 zombies flying with bowling balls.
16. 20 Gamerscore: Costume Party - TYPE: 1 Play REQ: Place novelty masks on at least 10 zombies.
17.