The video above is the Alienation Grave Robber Walkthrough and shows how to complete Grave Robber mission in Fort Itaipu, Brazil, the location featured in Alienation.
Note: The video walkthrough was recorded while playing the game on Professional difficulty, and covers the following objective(s):
Destroy breeding mounds and kill alpha retaliators.
Fight your way to the crash site.
Enter the Xenos ship.
Retrieve the codes.
Proceed to evacuation point.
