Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Back In The Line	Prestige the Game once.
Bang!! And The Zombies Are Gone!	Prestige 20 times.
Barrel Of Laughs	Complete a level by only shooting Barrels.
Feel The Rush	Get a Platinum medal with a single bullet.
Flawless Victory	Finish the game getting the best ending.
Frying Tonight	Kill 5 other Zombies by shooting a Taser Zombie.
Happy Shopper	Get all Upgrades in a single category.
Line 'Em Up	Shoot a Cop Zombie and have their bullet kill five other Zombies.
No Stone Unturned...	Complete the game to 100% (all Platinum medals).
Shopaholic	Get all upgrades in all categories.
Sweeter Than Gold	Get a Platinum medal.
You Made It... Right?	Finish the game with any ending.