Secret Room In Level 2 (Hanger):Shoot out all the upper windows of the far back wall in the Hanger and you'll get a secret room. Different Endings: To get the best ending(In Level 8): Make sure you shoot off all the panels on the Mothership. To get the worst ending:Let the Mothership escape without shooting off any of the panels Secret Stage: There is a secret stage called the Chow Palace. So far, two ways to get to it have Been found. For the first, near the beginning of the game is a Part where you ride through the complex in a jeep. After that, you enter the office. Near the end of the Office where you go through the fire, there is a part With paintings on the walls and two office doors. Shoot all of the paintings and both office doors. Secret Stage 2: On the last level where the aliens Are throwing barrels at you, destroy all of the aliens, the barrels, And ammo boxes. In the large room with all of the trucks and Helicopters in it, if you shoot all of the lights you Should find a sercet room called Headquarters. When riding the jeep, shoot all of the yellow barrels And you should get a secret room called Eggcellent. Kronn Hunter / Nightvision: After starting a new game, shoot nothing but the first Three S.T.A.R.R. members that show up. Start with Shotgun Pause the game, and press TRI, SQU, TRI, LEFT, R1. TO PLAY AS ALIEN: You must shoot one of the human marines three Times without firing one single shot at anyone else. Then you will either Turn into the alien automatically or if that doesn' t happen then just let Yourself die and you will restart as a alien. When your' re the alien you will Have a info red vision which make the eyes stick out a lot more!
Press Back to Exit Area 51 Hints/Cheats