Alien Hallway

Achievements

  • Steam Achievements

    AchievementDescription
    Air forceUpgrade airstrike till 7th level
    Air supplyUse airstrike 100 times
    ArmadaCall for 50 friendly units
    Blood LustKill 100 aliens
    BloodbathKill 1000 aliens
    Elite only!Call for 5 Heavy laser gunners during the battle
    ExtremeWin the battle with lower than 50% health level of your base
    Fire in the holeThrow 300 grenades
    Good startLiberate the first planet
    Great commanderUpgrade all friendly units till 4th level
    HellCall for 20 Flamethrowers during the battle
    InvincibleComplete any level of the last planet without loss of friendly units
    LiberatorComplete all game levels
    Master of defenseUpgrade the base till 5th level
    MeanAccumulate 1000 energy units during the battle (can't be achieved on "Resources refill" and "Final Step" levels)
    Numerical SuperiorityCall for 20 friendly units during the battle
    PerfectionistGet 5 stars for all game levels
    Phantom warriorHave 10 Snipers simultaneously present during the battle
    ProfessionalComplete the game on extreme level of difficulty
    SpecialistUpgrade one unit till 10th level

    Contributed By: Guard Master.

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Alien Hallway Resources

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