Steam achievements:
ACHIEVEMENT – HOW TO UNLOCK
Air force – Upgrade airstrike till 7th level.
Air supply – Use airstrike 100 times.
Armada – Call for 50 friendly units.
Blood Lust – Kill 100 aliens.
Bloodbath – Kill 1000 aliens.
Elite only! – Call for 5 Heavy laser gunners during the battle.
Extreme – Win the battle with lower than 50% health level of your base.
Fire in the hole – Throw 300 grenades.
Good start – Liberate the first planet.
Great commander – Upgrade all friendly units till 4th level.
Hell – Call for 20 Flamethrowers during the battle.
Invincible – Complete any level of the last planet without loss of friendly units.
Liberator – Complete all game levels.
Master of defense – Upgrade the base till 5th level.
Mean – Accumulate 1000 energy units during the battle (can’t be achieved on “Resources refill” and “Final Step” levels).
Numerical Superiority – Call for 20 friendly units during the battle.
Perfectionist – Get 5 stars for all game levels.
Phantom warrior – Have 10 Snipers simultaneously present during the battle.
Professional – Complete the game on extreme level of difficulty.
Specialist – Upgrade one unit till 10th level.
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