Here is the full list of all 30 Iron Sky: Invasion achievements.
Destroy the Götterdämmerung.
Detonate the Überasteroid.
Purchase all upgrades for the Korean light fighter.
Destroy 10 Hunding ships.
Purchase all upgrades for the Dundee bomber.
Destroy 50 Alberich ships.
Destroy 20 Wotan ships.
Collect 100 salvage.
Destroy the Tannhäuser capital warship.
Destroy 100 Rheingold ships.
Repel the meteorblitzkrieg.
Destroy 10 Brünnhilde ships.
Acquire the Canadarm heavy bomber.
Safely escort Renate to the moon.
Destroy 20 Hanebu IV ships.
Acquire the Spitfire frigate.
Destroy the Herrmann capital warship.
Destroy the Heinrich capital warship.
Destroy the Biterolf capital warship.
Acquire the Xerg light fighter.
Complete the tutorial part of the game.
Destroy all drones in the Shooting Range in less than 30 seconds.
Acquire the Banzai heavy fighter.
Destroy the Walther capital warship.
Destroy the Wolfram capital warship.
Complete all Indian side missions.
Complete all Russian side missions.
Complete all US President missions.
Collect 500 salvage.
Destroy 300 Walkyr ships.