Use every type of melee weapon on a zombie.
Use every type of novelty weapon on a zombie.
Use every type of firearm on a zombie.
Solve all case files in Co-op.
Create all combo weapons.
Change into all the clothes in the game.
Enter all the stores in the game.
Use every type of explosive on a zombie.
Use every type of ranged weapon on a zombie.
Spraypaint all Zombrex posters.
Create and consume all mixed drinks in the game.
Eat all types of food in the game.
Collect all combo cards hidden in Fortune City.
Collect all combo cards.
Spend $6,000,000 in Fortune City.
Give your bike a custom paint job.
Complete Overtime Mode.
Continue playing to unlock this secret achievement.
Mix a drink.
Kill 5,000 zombies.
Kill 1,000 "special" zombies.
Collect all survivor combo cards.
Fill all entries in the notebook.
Give Katey every possible gift.
Kill 1,000 zombies while riding a motorcycle.
Reach level 50.
Stick it to a zombie by covering him in weapons and objects!
Change into 10 different pieces of clothing.
Play and win in all 9 TIR events.
Kill 1,000 zombies barehanded.
Smash 100 zombies using the Smash skill move.
Complete The Facts.
Save 50 survivors.
Escort 8 survivors at once.
Collect all combo cards from psychopaths.
Revive another player in Co-op.
Defeat 10 psychopaths.
Collect 25 combo cards.
Defeat 5 psychopaths.
Reach level 25.
Have 10 zombies with masks on at once.
Give Katey a gift.
Tame Snowflake.
Save 10 survivors.
Finish in first place in a TIR episode.
Kill 500 zombies.
Come in first place in a single TIR event.
Create a combo weapon.
Kill 53,596 zombies.
Kill 72,000 zombies.