Metal Gear Solid Walkthrough/Maintenance Facility

Hot Room
follow hallway

there are two walkways travel on S one. Press against the wall, go N. When you get to the crane, crouch to get under it safely. go down stairs then exit through NE door

use the elevator that you are facing. At the last moment Guards will jump on.

Elevator Battle II

This is a repeat of the previous battle but the guards do not have stealth camo.

Once you get of the Elevator head E for next elevator but watch out for a gun-cam and claymores. Once you get off the Elevator go through the N door.

Cold Room
Raven Battle
 * place claymores in his path
 * Nikitas behind him
 * Stingers

Exit through door to the N door

room full of gun cams Use chaff and exit through the N door

Metal Gear Hanger
To Climb over REX follow this path ladder to NE -> ladder to NW -> ladder over REX then take the ladder down on the other side

control room to the S. Watch out for the Guard that patrols here. Otacon will tell you how to use the card keys. At This point Snake loses the key and has to travel down rex to find it in the ditch. You then need to return to the control room to input the card. Watching out for the cameras. You then have to do two trips to the Cold and Hot rooms to change the color of the card key before returning to the control room to input the card. At this point it is revealed that Liquid tricked Snake into arming the warhead. At This point the room is filled with gas. Equip the gas mask and call Otacon to get him to open the door. When you exit the room you can see Liquid escaping to the E so follow him. Liquid jumps into REX which you now have to battle.

REX Battle Fire stingers at the radome. After doing that for a while the Ninja will show up. The Ninja manages to destroy the Radome forcing Liquid to fight with the cockpit open. Shoot the missiles into the cockpit until you wear down liquid.

Liquid Battle Liquid carries Snake to the top of REX for one final showdown. There is going to be a bombing raid that destroys shadow moses. Liquid has also attached a bomb to Meryl that will go off if Snake does not beat Liquid in time.

Garage
as you head for the garage an alarm is tripped by your companion, you have to hold off the guards until the jeep is ready. Once on the jeep you can use the machine gun to take out any guards in your way. There are two checkpoints where you get stopped on your way out by guards. Liquid returns in a jeep of his own. Shoot him to stop him shooting back.

The jeeps crash out in the open. Snake and his companion are stuck under their jeep. They find out that the Bombing raid was called off. Liquid then walks up to them but dies from FOXDIE.