You defeated 300 creatures using Interceptor Units

You defeated 300 creatures using bows

An engineer joined your ranks

You recovered "the Giant"

You defeated 300 creatures using one-handed weapons

Base Camp's expandable area reached Level 2

You defeated 300 creatures using two-handed weapons

During Salvage Missions, you revived 30 allies who were near death

You defeated 300 creatures using thrusting weapons

You did your first harvest

A nurse joined your ranks

You constructed your first building