Complete 5 labyrinths.
Complete your first labyrinth.
Escaped a maximum difficulty labyrinth without using hints.
Complete 25 labyrinths.
Destroy your first 50 zombies.
Eradicate a total of 500 zombies.
Destroy 200 zombie nests.
Destroy 40 zombie nests.
Open 100 treasure chests.
Open 200 treasure chests.
Unearth 100 buried treasures with the shovel.
Unearth 25 buried treasures with the shovel.
Unlock your first skill in the talent tree.
Complete 100% of the skill tree and achieve Prime Mode.