1日にスクラップを50個集める

Collect 100 scrap in one day

Find an uncommon weapon

Find a rare weapon

Find a legendary weapon

Buy something from the vending machine

Use 3 different special powers in a day

Search all houses on a mission

Heal a survivor that is almost dead.

Kill 15 zombies at once.

Equip at least 4 survivors with uncommon weapons

Equip at least 4 survivors with rare weapons

Equip at least 4 survivors with legendary weapons

Survive until night without healing a survivor

Shut down the Factory!

Find and loot a secret house

Defeat the boss: Jack "Jumper"

Defeat the boss: Sam "Slimey" Splitter

Defeat the boss: Frank "The Monster" Stein

Accumulate 250 Scrap

Use 200 airstrikes in a run

Hunt down each type of special zombie!

Kill 15 giant zombies in a run

Unlock and fill all item slots

Win a run with only one survivor living

Win a run without any survivor deaths

Win the final wave with only melee weapons equipped

Win a run without upgrading any items or powers

Win the final day with all equipped items and powers upgraded

Complete a specialization

Complete all basic specializations

Complete the challenge specialization

Complete a run within the daily challenge mode

Reach 10000 points in a daily challenge

Destroy all trees on a mission

Survive until minute 5 during nighttime

Complete a run with only perfect days

Spend 150 scrap on vending machines

Find all weapons once

Have 3 drones equipped at once

Loot 100 houses in one run