Here is the full list of all 23 Stellatum achievements.
Destroy the comet
Pass the level not being hitted by enemy
Finish the level at the maximum level of the armor
Punch through several enemies at once
Shoot the protonikok with the energy of the system "Energy beam"
Destroy 10 asteroids in a row
Use the system "Energy shield"
Destroy 1 000 enemies
Destroy 5 000 enemies
Destroy 10 000 enemies
Collect 500 components
Create a black hole
Shoot down 500 asteroids
Use repair drones
Win in the first battle against the boss
Launch a distracting drone system "False target"
Design all the details
Complete the game
Die in battle with the boss
Destroy the first race
Destroy the second race
Destroy the third race
Destroy the fourth race