Non omnis moriar
Turn a human into zombie
First blood
Die for the very first time
In my army now
Turn 10 soldier into zombies
No leader is perfect
Lose a zombie
Global infection
Finish the game
Getting started
Collect 20 stars
Playing well
Collect 40 stars
Zombie Leader
Collect 60 stars
Speedrunner
Beat all summer levels with total time lower than 15 minutes
Snowrunner
Beat all winter levels with total time lower than 8 minutes
Ultimate Zombie Leader
Collect 90 stars
Winter has come
Finish all winter levels
Social Walker
Play at least one community level