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