Drill Core achievements

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

Survive 20 nights

Have a team of 8 or more

Upgrade your Division to level 3

Reach 300 meter depth

Unlock Frozen Planet

Kill 1500 Aliens (cumulative)

Lose more than 6 employee in a day

Buy an upgrade

Survive 10 nights

Complete 3 contracts

Finish your first contract