Pacifist
Not unlocked yetCompleted Wave 1 in endless mode with no guns.
Balls of steel
Not unlocked yetCompleted Wave 5 in endless mode with no guns.
The bare minimum
Not unlocked yetKilled 1'000 zombies.
The more, the merrier
Not unlocked yetKilled 10'000 zombies.
On a mission
Not unlocked yetKilled 50'000 zombies.
Tax break
Not unlocked yetDestroyed 10 tax drones.
Taxation is theft
Not unlocked yetDestroyed 100 tax drones.
Twenty is plenty
Not unlocked yetCompleted wave 20 in endless mode.
Twentyfive and still alive
Not unlocked yetCompleted wave 25 in endless mode.
Thirty is worthy
Not unlocked yetCompleted wave 30 in endless mode.
Mildly upset
Not unlocked yetDealt 100'000 damage.
Moderately irate
Not unlocked yetDealt 2'500'000 damage.
Somewhat furious
Not unlocked yetDealt 10'000'000 damage.
Easter bunny
Not unlocked yetReturned from the dead.
Home defense
Not unlocked yetKilled a zombie in HOME.
You can't take it with you
Not unlocked yetDied with your pockets full
Holding a grudge
Not unlocked yetCompleted wave 20 in every level in endless mode.
YOLO
Not unlocked yetFinished each level in story mode without dying.
Enough to buy a car
Not unlocked yetLooted 100'000$.
Enough to buy a house
Not unlocked yetLooted 1'000'000$.
Enough to buy popcorn in the cinema
Not unlocked yetLooted 5'000'000$.
Right in the kisser
Not unlocked yetKilled 1'000 zombies with headshots.
Aiming is for losers
Not unlocked yetKilled 1'000 zombies with explosives.
Roots
Not unlocked yetSurvived one wave without moving.