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