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