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