Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Build 10 Turrets	Build 10 turrets.
Build 100 Turrets	Build 100 turrets.
Build 1000 Turrets	Build 1000 turrets.
Campaign 2 Mission 1	Complete mission 1 of the second mini-campaign.
Campaign 2 Mission 2	Complete mission 2 of the second mini-campaign.
Campaign 2 Mission 3	Complete mission 3 of the second mini-campaign.
Campaign 2 Mission 4	Complete mission 4 of the second mini-campaign.
Campaign 2 Mission 5	Complete mission 5 of the second mini-campaign.
Campaign Mission 1	Complete campaign mission 1.
Campaign Mission 10	Complete campaign mission 10.
Campaign Mission 11	Complete campaign mission 11.
Campaign Mission 12	Complete campaign mission 12.
Campaign Mission 13	Complete campaign mission 13.
Campaign Mission 14	Complete campaign mission 14.
Campaign Mission 15	Complete campaign mission 15.
Campaign Mission 16	Complete campaign mission 16.
Campaign Mission 17	Complete campaign mission 17.
Campaign Mission 18	Complete campaign mission 18.
Campaign Mission 19	Complete campaign mission 19.
Campaign Mission 2	Complete campaign mission 2.
Campaign Mission 20	Complete campaign mission 20.
Campaign Mission 21	Complete campaign mission 21.
Campaign Mission 22	Complete campaign mission 22.
Campaign Mission 23	Complete campaign mission 23.
Campaign Mission 24	Complete campaign mission 24.
Campaign Mission 25	Complete campaign mission 25.
Campaign Mission 26	Complete campaign mission 26.
Campaign Mission 3	Complete campaign mission 3.
Campaign Mission 4	Complete campaign mission 4.
Campaign Mission 5	Complete campaign mission 5.
Campaign Mission 6	Complete campaign mission 6.
Campaign Mission 7	Complete campaign mission 7.
Campaign Mission 8	Complete campaign mission 8.
Campaign Mission 9	Complete campaign mission 9.
Defender Defender	Complete level 6 (Alliance) without losing any Xenite defenders.
Fully Operational Mothership	Buy every upgrade in the armoury.
Kill 50 Aliens	Kill 50 enemies.
Kill 500 Aliens	Kill 500 enemies.
Kill 5000 Aliens	Kill 5000 enemies.
Kill 50000 Aliens	Kill 50000 enemies.
Kill 500000 Aliens	Kill 500000 enemies.
Laser Spammer	Complete level 10 (Titan) using only Laser Turrets.
Nexus Recruit	Reach Nexus rank 5.
Nexus Sergeant	Reach Nexus rank 10.
Path Defender	Complete level 2 (Fortification) using only path deployable weapons.
Psycho Campaigner	Finish the campaign on Psycho difficulty.
Sentinel Admiral	Fire 1000 Sentinel orbital weapons.
Sentinel Gunner	Fire 10 Sentinel orbital weapons.
Sentinel Marksman	Fire 100 Sentinel orbital weapons.
Stronghold General	Use 1000 Stronghold abilities.
Stronghold Rookie	Use 10 Stronghold abilities.
Stronghold Squaddie	Use 100 Stronghold abilities.
Turret Engineer	Fully upgrade a turret in the armoury.
War Machine	Reach maximum level with any Commander.