Area 51 Cheats

Find and scan all five databank items in a level to unlock the secret of that level.The final secret of the game is unlocked when all prior secrets have been found.

In the life or death stage there is a small key on a dead soldier in the damage elevator where cole starts the level.Grab the key and open all the lockers in the level.One of the small lockers in the first power canduit pit has a databank item that upgrades the alien grenade.The grenade will now track it's target.