TRICKS AND TIPS
                                             1.     MERYL FUN!
    If you look at meryl, at the place out side the bathrooms, for a few seconds  she'll start to blush and say some cute little stuff for you.
 
Run into the last bathroom stall after Meryl in 5 seconds and she'll have no pants on.

Shoot Meryl a couple of times after sniper wolf gets her and Cambell will yell the crap out of you for shooting his "neice".
               
if you go in the wolf caves when Meryl is at the end slap meryl and put on your box.  The little puppy comes and pees on you.  It's very entertaining and since you have the urine all over you the big wolves won't attack you.
                                2.  LIQUID: SECOND CONTROLLER
When you are fighting liquid on top of metal gear rex you can check the battle stats on the second controller.  Just plug in a second controller and hold in circle. 


                                      3.
If you shoot the mice, in the first part where you fight sniper wolf or the crows on the elevator by raiven, Cambell will call you and scold you for waisting your time exterminating animals.


                                     4. EXTREME  MODE
                     (Works best after beating Psycho Mantis)
If your having trouble getting rations on extreme  then all you have to do is go to the bathrooms by Psycho Mantis' room.  Kill the guy that's peeing in the bathroom. If he doesn't drop anything, go in the hall way right before psycho mantis' room and go back to the bathroom.  Magically a new person is already there for your killing.  Keep repeating until the guy drops a ration.  Repeat about 3 to 4 times untill you get it..  I'm pretty sure you could do that in other places as long as you leave the area and go back.

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       METAL GEAR SOLID