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