Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Ace	Shoot down 100 alien ships.
Airborne	Fly 15 planes on the globe at the same time.
Charmer	Capture live alien commanders.
Cleaner	Kill 500 aliens.
Colonizer	Build 5 bases and 3 naval bases.
Conqueror	Clean alien base.
Emperor	Build 3 bases.
Firestarter	Burn area of 150 fields during one mission.
Flak	Shoot down alien battleship.
Grenadier	Throw 100 grenades.
Hero	Finish game on hard difficulty.
Hypersonic	Win mission in 10 turns.
Key master	Collect 3 alien keys.
Lifesaver	Finish mission without being seriously wounded.
Liquidator	Shoot down Alien Massive Patrol Vessel.
Mineralogist	Collect 4 alien crystals.
Multi kill	Kill 3 aliens in one shoot.
No Flight Zone	Eliminate UFO swarm leader.
Pilot	Shoot down 25 alien ships.
Protector	Finish terror mission with less than 2 civil casualties.
Razorblade	Finish mission without being hit.
Safekeeper	Build 15 defense buildings.
Sea Wolf	Build ship base.
Survivor	Finish game on any difficulty.
Teleport master	Teleport 10 times during one mission.
Tough Skin	Win 100 missions.
Veteran	Reach Colonel rank with one of your soldiers.
Warrior	Kill 50 aliens.