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