Finish an Expedition.

Discover the Catacombs.

Perform the Angelic Protection skill.

Perform the Wrath of Tin skill.

Unlock all farm buildings.

Cure an afflicted ally.

Heal 20 times using the Nurse.

Poison enemies 10 times.

Reach the City.

Rescue 50 Survivors.

Kill 10 enemies using the Soldier's Flame Thrower.