Complete "Plankerton Storm Shield Defense 6"

Destroy 100 Garden Gnomes in successful missions

Complete "Rifty Business"

Unlock and Slot your first Mission Defender

Complete "Retrieve the Data"

Complete "Homebase Storm Shield Defense 1"

Protect the survivors

Complete "Survivor Training - Stage 2"

Complete your first mission

Complete "Ray.README"

Complete "Toxic Treasures - Stage 10"

Unlock access to the Constructor Hero

Complete "The Battle of Plank Harbor"