Alien Hallway

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  • Steam achievements

    Successfully complete the indicated task to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", "My profile", "View all my games", then the game and view stats.

      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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