Drill Core achievements

Complete a contract so that the core's health is greater than 90%

Buy an upgrade

Finish your first contract

Upgrade Earthcrusher platform to level 4

Complete a contract in less that 10 days

Complete 6 contracts

Survive 100 nights

Complete a contract without losing a worker

Complete 10 contracts

Have at least 30 available iron

Upgrade your Division to level 20

Survive 40 nights