Zombie Killing Achievements
The majority of the game is spent killing zombies, with certain achievements unlocking after you kill a specific number. Earn the ̶0;Zombie Hunter̶1; achievement after killing 1,000 zombies, the ̶0;Zombie Killer̶1; achievement after killing 10,000 and the ̶0;Zombie Genocider̶1; achievement after killing 53,594 zombies. All three zombie killing achievements are worth 20 gamer points.
Psychopath Killing Achievements
You will also come across non-zombies in the game who have gone insane and will attempt to kill you. Defeat one psychopath to earn the ̶0;Self Defense̶1; achievement, five to earn the ̶0;Peace Keeper̶1; achievement and 10 to earn the ̶0;Punisher̶1; achievement. Each of the three achievements adds 20 gamer points to your score.
Strike!
Earn the ̶0;Strike!̶1; achievement by hitting 10 zombies with one throw of a bowling ball. Bowling balls are available in the second-floor sporting goods store in Paradise Plaza. Throw the ball toward a group of zombies until the achievement, worth 20 points, unlocks.
Raining Zombies
To earn the ̶0;Raining Zombies̶1; achievement, worth 20 gamer points, you must knock over 30 zombies with a large umbrella. Grab a large umbrella from Al Fresca Plaza, press ̶0;X̶1; then begin running through the zombies until the achievement unlocks.
Gourmet
Frank West can eat and drink different items spread throughout the mall to regenerate health. Unlock the ̶0;Gourmet̶1; achievement by eating or drinking every type of food available. Simply eat or drink every edible item you come across and this achievement, worth 20 gamer points, will eventually unlock.
Bullet Point
The ̶0;Bullet Point̶1; achievement unlocks and adds 20 points to your gamer score after you fire 1,000 total bullets from any type of gun. To quickly earn the achievement, visit the fountain in Al Fresca Plaza and pick up the UZI. Fire all the bullets in the gun, then exit the area and re-enter to regenerate the UZI. Repeat this process until you have fired 1,000 bullets and the achievement unlocks.
Transmissionary
A mall employee, Otis, calls Frank throughout the game to give him tips and advice. Successfully answer all calls from Otis and the ̶0;Transmissionary̶1; achievement worth 20 points will unlock.
Outdoorsman/Indoorsman
In addition to exploring the stores of the mall, you can venture outside to combat the zombies there as well. Spend 24 hours of game time (about two hours of real time) outside to unlock the ̶0;Outdoorsman̶1; achievement or 24 hours inside to earn ̶0;Indoorsman.̶1; Both achievements are worth 20 gamer points.
Marathon Runner
You will spend a majority of the game running from one place to another. The ̶0;Marathon Runner̶1; achievement, worth 20 gamer points, will unlock after Frank covers a distance of 26.2 miles.
Sharp Dresser
Different outfits and wearable items are found scattered throughout the stores in the mall. After changing into 20 different outfits, the ̶0;Sharp Dresser̶1; achievement, worth 20 gamer points, will unlock.