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