Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Complete the game (17)	Kill last boss.
Complete World 1 (13)	Complete World 1.
Complete World 2 (15)	Complete World 2.
Kill streak forever (13)	Do 50 killstreaks in game.
Potatoes gonna potate (17)	Collect 5000 potatoes in game.
Rage Count (17)	Go in rage mode 200 times.
U mad Bro? (17)	Do 100 killstreak chain 10 times.
Unlock chainsaw (15)	Unlock chainsaw in store.
Unlock Faces (12)	Unlock game rage faces in store.
Unlock flame thrower (15)	Unlock flame thrower in store.
Unlock laser (15)	Unlock laser in store.
Unlock Rifle (13)	Unlock rifle in store.
Unlock Rocker Launcher (14)	Unlock Rocket launcher in store.
Unlock Shotgun (12)	Unlock Shotgun in store.
Zombies kill count (14)	Kill total of 1000 zombies in game.