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