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