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.
Complete all Indian side missions.
Destroy 10 Hunding ships.
Complete all Russian side missions.
Acquire the Banzai heavy fighter.
Complete all US President missions.
Purchase all upgrades for the Dundee bomber.
Destroy the Wolfram capital warship.
Destroy the Walther capital warship.
Destroy the Tannhäuser capital warship.
Destroy 100 Rheingold ships.
Destroy 10 Brünnhilde ships.
Acquire the Spitfire frigate.
Destroy the Herrmann capital warship.
Destroy the Heinrich capital warship.
Collect 100 salvage.
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 Canadarm heavy bomber.
Repel the meteorblitzkrieg.
Safely escort Renate to the moon.
Collect 500 salvage.
Destroy 300 Walkyr ships.
Destroy 50 Alberich ships.
Destroy 20 Hanebu IV ships.
Destroy 20 Wotan ships.