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