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