Gibz

Unlock all hats and facewear

Unlock all perks

Max out all stat buffs

Hit back 262 projectiles (unlocks Baseball Bat)

[Base Defence] Don't let a single chicken damage anything during a wave of chickens

[Base Defence] Have a Boss reach 0 health without a single player damaging them

[Base Defence] Unlock everything under the Building Tree

[Base Defence] Unlock everything under the Survivor Tree

[Base Defence] Have 4 fully decked out Survivors in your base

[Base Defence] Clear 100 Waves

[Base Defence] Clear 20 Waves

[Base Defence] Clear 200 Waves

Beat the final boss having never lowered the difficulty below EASY on that character

Beat the final boss having never lowered the difficulty below HARD on that character (unlocks Broadsword)

Beat the final boss having never lowered the difficulty below HARD or spent any money on that character (unlocks Dark Knight Helmet)

Beat the final boss having never lowered the difficulty below NORMAL on that character

Have 30+ maggots on you at once

Kill 10 zombies with one shockwave in Zombie Surfing