Leave them and try to find the second path into the alarm room through a door with a green light. The soldiers will be attempting to activate alarms in the next room and Cruz will be waiting for you to rush in there.

Continue past the test subjects that are attached to facehuggers and you'll end up meeting some soldiers. When you run out of ammo, simply reload the previous checkpoint.ĭuring Level 7 you'll find yourself in an operating room with Xeno specimens in glass containers.

Remain there for as long as desired to get and XP and complete additional challenges for more XP. Stand in the exit door and look to the far left of the courtyard and you can take out the aliens that appear above the spotlight with any scoped weapon. There's a drop down after the exit door that leads to a big area with unlimited spawning aliens. You'll get up to 6.000 XP an hour and chance to complete many additional challenges for more XP.ĭuring Level 10, once you've taken out the third AA gun, you'll reach a destroyed building after you've passed the rocky exterior. Simply reload the checkpoint as many times as desired and Down the hill from where you are now you'll find a bunch of enemies. During Level 10, when your objective is 'Destroy the AA guns (3 of 3)', you'll come across a soldier that's using a flamethrower against an alien and

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