Achievements for Alien Hallway
There are 20 Achievements for Alien Hallway (PC)
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0 Air forceUpgrade airstrike till 7th level
0 Air supplyUse airstrike 100 times
0 ArmadaCall for 50 friendly units
0 Blood LustKill 100 aliens
0 BloodbathKill 1,000 aliens
0 Elite only!Call for 5 Heavy laser gunners during the battle
0 ExtremeWin the battle with lower than 50% health level of your base
0 Fire in the holeThrow 300 grenades
0 Good startLiberate the first planet
0 Great commanderUpgrade all friendly units till 4th level
0 HellCall for 20 Flamethrowers during the battle
0 InvincibleComplete any level of the last planet without loss of friendly units
0 LiberatorComplete all game levels
0 Master of defenseUpgrade the base till 5th level
0 MeanAccumulate 1,000 energy units during the battle (can't be achieved on 'Resources refill' and 'Final Step' levels)
0 Numerical SuperiorityCall for 20 friendly units during the battle
0 PerfectionistGet 5 stars for all game levels
0 Phantom warriorHave 10 Snipers simultaneously present during the battle
0 ProfessionalComplete the game on extreme level of difficulty
0 SpecialistUpgrade one unit till 10th level