First Contact
Not unlocked yetSurvive the first night
Just Like the Simulations
Not unlocked yetSucceed after a failed night
God Bless the ESA
Not unlocked yetLaunch your first suborbital strike
Ought to be Enough
Not unlocked yetHave more than 500 Energy
Sub-Zero Levels
Not unlocked yetUnlock Cryo Turret
Kill It With Fire
Not unlocked yetUnlock Inferno Turret
The Abraxas Conjecture
Not unlocked yetRepair a tower
I Am Your Father
Not unlocked yetBuild a Makeshift Turret after unlocking a newer turret
With Great Power...
Not unlocked yetBuild a generator
And They Say Chivalry is Dead
Not unlocked yetDefeat a Knight
Fine, I'll Do It Myself
Not unlocked yetDefeat a Prince
Master Strategist
Not unlocked yetSave everyone on the base