Here is the full list of all 30 Space Elite Force achievements.
destroy battle cruiser
improve the life of the ship!
destroy heavy destroyer
improve ship shield
reach the maximum level!
destroy heavy cruiser
get 20x combo!
collect super gun power
destroy heavy frigate
collect shield power
improve the ship resistance!
Complete a mission without suffering damage!
Destroy Destroyer
Kill 300 enemies!
Desttroy Cruiser
collect magnetic power
Kill 200 enemies!
someone sent a car into space, destroy it!
Destroy Frigate
collect double score power
get 10x combo!
Kill 50 enemies!
collect double orbs power
complete the hardcore mode!
1st in rank (infinite mode)