Queiroz

Alien Hallway Steam Achievements

There are 20 Alien Hallway Achievements

Queiroz's Alien Hallway Achievements

Liberator

Complete all game levels

Blood Lust

Kill 100 aliens

Bloodbath

Kill 1000 aliens

Good start

Liberate the first planet

Armada

Call for 50 friendly units

Numerical Superiority

Call for 20 friendly units during the battle

Specialist

Upgrade one unit till 10th level

Air supply

Use airstrike 100 times

Fire in the hole

Throw 300 grenades

Perfectionist

Get 5 stars for all game levels

Invincible

Complete any level of the last planet without loss of friendly units

Master of defense

Upgrade the base till 5th level

Air force

Upgrade airstrike till 7th level

Elite only!

Call for 5 Heavy laser gunners during the battle

Hell

Call for 20 Flamethrowers during the battle

Mean

Accumulate 1000 energy units during the battle (can't be achieved on "Resources refill" and "Final Step" levels)

Extreme

Win the battle with lower than 50% health level of your base

Great commander

Upgrade all friendly units till 4th level

Professional

Complete the game on extreme level of difficulty

Phantom warrior

Have 10 Snipers simultaneously present during the battle