Area 51
Secret tapes:
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Find and scan all five databank items in a level to unlock the secret for that
level. The final secret of the game is unlocked when all prior secrets have been found.
Life Or Death: Alien grenade upgrade:
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Search the dead soldier in one of the elevators where Cole starts the level to
find a small key. Use it to open the small lockers in the first power conduit
pit to find a databank item. It will upgrade the alien grenade so that it will
track targets.
Defeating the Super Beast:
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When fighting the Super Beast, rather than running straight at him, run around
in a circle. When he gets near an explosive barrel, shoot it. It does more damage
then the BBG. Watch out for his plasma shooting arm as well. When you finish,
Edgar will talk to you, and you get to see him.