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