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Achievements
Alien HallwaySync your progress to see which achievements you've unlocked.
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Liberator
Complete all game levels
36.7% global
Blood Lust
Kill 100 aliens
81.4% global
Bloodbath
Kill 1000 aliens
67.0% global
Good start
Liberate the first planet
63.8% global
Armada
Call for 50 friendly units
70.3% global
Numerical Superiority
Call for 20 friendly units during the battle
71.7% global
Specialist
Upgrade one unit till 10th level
22.5% global
Air supply
Use airstrike 100 times
39.1% global
Fire in the hole
Throw 300 grenades
59.4% global
Perfectionist
Get 5 stars for all game levels
23.1% global
Invincible
Complete any level of the last planet without loss of friendly units
28.6% global
Master of defense
Upgrade the base till 5th level
26.7% global
Air force
Upgrade airstrike till 7th level
29.1% global
Elite only!
Call for 5 Heavy laser gunners during the battle
44.1% global
Hell
Call for 20 Flamethrowers during the battle
54.0% global
Mean
Accumulate 1000 energy units during the battle (can't be achieved on "Resources refill" and "Final Step" levels)
50.6% global
Extreme
Win the battle with lower than 50% health level of your base
23.5% global
Great commander
Upgrade all friendly units till 4th level
25.3% global
Professional
Complete the game on extreme level of difficulty
17.8% global
Phantom warrior
Have 10 Snipers simultaneously present during the battle
40.9% global
