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