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