Cheat Inspector - Game Hints daily!

To unlock Gray Alien in multi-player mode, you have to complete campaign mode on the hard difficulty setting.

To unlock secret tapes, you have to find and scan all five databank items in a level. The final secret of the game is unlocked when all secrets have been found.

To unlock Hard mode, all you need is to complete campaign mode on the medium difficulty setting.

Arcade cabinet secrets. While in the earlier stages of the game, find cabinets of the original Area 51 arcade game and complete with red and blue light-guns. When melee attack is used for the arcade machines you will get a life syringe.

Masons and Illuminati connection. After you meet Dr. Cray, you will get to an infirmary and you will see clones of Mr. White there. On the back of their lab coats you will find a Masonic lodge that suggests a connection between the Masons and Illuminati.

During the training levels, scan as many persons as you can to get equipment of the MPs such as adult diapers, condoms and many other interesting things.

How to unlock Alien grenade upgrade in Life Or Death? First, you have to find the dead soldier in one of the elevators. It is where Cole starts the level. Then, you willl see a small key that you have to use it to open the small lockers in the first power conduit pit. If you do that, you will get a databank item that will upgrade the alien grenade.

How to find Sharks with machine guns in The Grays? You have to go into the fourth room in the level where the monorail is. Then, push the computer console to activate lifter. Go back outside to the monorail and stand on it. Next, run all the way to the back of it to get to a room with sharks that have machine guns on their heads.

How to defeat Grays? You have to mutate and fire parasites at their shields, which will bring down the shields faster than any other weapon.

How to defeat the Super Beast? When you fight the Super Beast, run around him in a circle. Then shoot it when he gets near an explosive barrel to damage him. Also you have to watch out for his plasma shooting arm. When done, Edgar will talk to you and you will see him.