Here is the full list of all 10 Action Alien: Prelude achievements.
Complete the game in night mode.
Kill 10 boss aliens.
Destroy 10 parts of buildings with explosives.
Kill 200 aliens with grenades.
Kill 500 aliens.
Break all glasses of the petrol station.
Complete the game in day mode.
Collect all petrol cans.
Use all weapons in a single game.
Kill 50 aliens with leg kicks.