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