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DS
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3
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360
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Older Systems
Dreamcast
Gamecube
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Gameboy
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Nintendo
64
Playstation
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2
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Unlock Final
Secret
Grab all the other secrets to unlock the final secret (page 5). Well,
d'uh.
Unlocking
Secret Tapes
Scanning all five databank items in each stage yields one secret. Completing
the game yields one secret.
Upgrading
The Alien Grenade
In the stage Life or Death, there is a small key on a dead soldier in
one of the lifts where Cole starts the stage. Grab it to open the small
lockers in the stage. One of the small lockers in the first power conduit
pit has a databank item that upgrades the alien grenade (it now homes
in on enemies).
Sharks with
machine gun heads
In the level "The Grays" proceed into the 4th room in the level,
where you can see the monorail you entered the level from out the window.
Push the computer console there and it will say "Lifter activated".
Make your way back outside to the monorail, you can now stand on it. Run
all the way to the back of it and you will be warped to a weird room with
sharks that have machine guns attached to their heads.
Unlock the
Alien Multi-player Avatar
Beat the Campaign mode on the Hard difficulty setting to unlock an alien
Gray as a selectable multi-player avatar.
AREA 51 arcade
game
On the HOT ZONE mission at the beginning of the level.Hidden in a corner
there is the original AREA 51 arcade game complete with red and blue lasar-light
guns.
