- Page 1
- Dock
- Heliport
- Tank Hangar – DARPA Chief
- ArmsTech President Baker
- Meeting Meryl
- Tank Boss Fight
- Page 2
- Nuke Bldg 1
- Rescue Otacon
- Cyborg Ninja Boss Fight
- Finding Meryl
- Psycho Mantis Boss Fight
- Page 3
- PSG-1
- Sniper Wolf Boss Battle
- Ocelot’s Torture
- Escape the Cell
- Special Item: Camera
- Comm Twr A
- Hind D Boss Battle
- Page 4
- Elevator Fight
- Sniper Wolf Boss Fight 2
- Blast Furnace
- Raven Boss Fight
- Meet Metal Gear
- Page 5
Retrieve the PAL Key
As soon as the cutscene ends, you’ll be in alert mode. Deal with the enemy on the left and then go left.
Follow the walkway back to the ladder that leads up on top of Metal Gear.
When climb up, the alert mode will end.
Make your way back down to the very bottom in front of Metal Gear. This is near where you originally entered the room.
Once there, go over to the left and equip your Thermal Goggles and Stinger.
Stare straight ahead and you should see a vent.
Wait here until you see a rat running around near the vent. Once you see that, shoot it with the Stinger.
Once the rat is killed, it’ll drop the PAL Key. Run over and pick it up.
If the rat is showing up over here, you can go down into the contaminated water on the right side and find it there as well. However, standing in the water will drain your health.
Once you have the PAL Key back, climb back up to the control room where Liquid and Ocelot were speaking.
Don’t forget that there is a guard patrolling up top. He will be in the same place as the first time you came through earlier.
When going up the stairs to the Command Room, there will be three cameras. Throw a Chaff Grenade and then enter the Command Room.
Equip the PAL Key and stand in front of the laptop on the left in the center of the room. Do this quickly before the Chaff wears off.
With that, the first PAL Code will have been entered.
One down, two to go.
Freeze the Pal Key
Throw another Chaff Grenade and then exit the Command Room.
From here, you’re going to need to back track all the way to where you fought Raven.
There will be a guard ahead of you on the top floor of the room where Metal Gear is after leaving the control room.
Don’t forget about the trap doors and gun cameras just before the Warehouse where Raven was.
Once you’re there, all you have to do is wait.
You can run around the area picking up ammo or just lay there on the ground until the PAL Key changes.
Check the PAL Key every so often.
When it turns blue, you can leave. It doesn’t take too long.
With the PAL Key now frozen, head back up to the Command Room and walk to the middle laptop with the PAL Key equipped.
Heat the PAL Key
After inputting the frozen PAL Key, exit the Command Room and it’ll be time for some more backtracking.
This time, you’re going to need to heat the PAL Key. So backtrack all the way to the Blast Furnace.
There will be guards in the Warehouse where you fought Raven this time.
Get through the Warehouse and ride up the two cargo elevators.
Enter the Blast Furnace and go into the room where the steam is shooting out. You can lay in here and avoid enemies while waiting for the PAL Key to heat up.
Check the PAL Key every so often.
When it turns red, you can leave.
Head straight for the Command Room and interact with the laptop on the right.
Afterwards, you’ll be trapped in the Command Room and it will fill with gas.
Equip the Gas Mask and then call Otacon. He will disable to locks and let you out shortly after calling him.
Metal Gear Rex Boss Fight
To start, throw a Chaff Grenade. Then, pull out the Stinger and target the ray dome on the the side.
Immediately run away and drop another Chaff Grenade. Rex will shoot three missiles at you. They are basically impossible to outrun without Chaff.
When a Chaff Grenade is active, the missiles will be shot at where you were standing the last time you inflicted damage to Rex.
So, throw a Chaff Grenade, shoot him with the Stinger, run away, throw a Chaff Grenade, shoot him with the Stinger, run away. Repeat those steps until the health bar is depleted.
There are Chaff Grenades on the right side near where you start the fight.
For the second phase, you’re going to be shooting at the mouth where Liquid is sitting.
The best way to take on this phase is to throw a Stun Grenade as soon as the battle starts and run directly at him.
Avoid the laser attack and watch out for his stomp. The stomp attack is one hit kill, but he will only do it if you’re out in front of him.
You want to stay behind him but between the legs. Use the Stinger to shoot the under side of the cockpit. It doesn’t have to be locked on the do damage.
When you shoot him, he’ll know where you are, so just keep running toward the back of him. If he backs up, run toward him. Stay between the legs to the back.
He’ll eventually lose sight and give you another opportunity to hit him with the Stinger.
Repeat that until Rex is destroyed.
Liquid Boss Fight
Now, you’ll be fist fighting Liquid on top of Rex. You only be allowed to use your melee attacks. There is also a timer in this fight, so you have to be quick.
The hitboxes in this fight are tough. You need to really get away from Liquid when he attacks, other wise he’ll hit you and do a lot of damage.
From the start, run up to him and get a punch, punch, kick attack on him.
You’ll be able to squeeze in 2 or 3 of these before he starts going on the offensive.
There are a few things to look out for here.
If you fall over the edge, quickly tap Up on the D-Pad to pull yourself back up.
When Liquid puts his hands up, he’s about to attack. Get in close and then back away. He’ll do a punch combo or kick. If you attack him while his hands are up, he’ll duck and counter attack.
Get in close, back out and then attack him after he misses his attack.
As you do more damage, he’ll become more aggressive. He’ll put his hands up and circle you. When he does this, move in and hit him with a single punch and then back away.
After your punch, he’ll immediately throw a two punch combo or a kick. Back away so that he misses. He’ll be vulnerable after he misses.
His other attack will be a charge. He’ll put his head down and run toward you. The hitbox for this is very cheap. Do your best to get out of his path.
You won’t be able to interrupt his combos with your attacks, but you can stop him by throwing him.
If you run up to him and press Left or Right on the D-Pad while pressing 
/ 
/ 
, you’ll actually roll him over. This won’t do damage, but it will interrupt his attacks, including the charge if you can get to him before he runs. When he bends down, you can roll him. You won’t have a lot of time to do it, but it is possible if you’re close enough.
When he’s about to run out of health, you need to land a punch, punch, kick combo on him near the edge so that he is kicked off of Metal Gear Rex.
If you don’t kick him off of Rex, he will regain a little bit of health. The final hit needs to be a kick and he needs to go over the edge.
Escape
Depending on your decision with Ocelot’s torture, you’ll either be with Meryl or Otacon here.
Meryl if you passed the torture or Otacon if you submitted.
Before following your partner, go through the doorway behind you to pick up a Ration.
Follow your partner and pick up the Ration next to the stairs.
Go up the stairs and get next to the jeep on the left. There will be enemies running toward you. You can melee them while Otacon/Meryl starts the jeep.
There is another Ration at the bottom left of the area near the jeep your partner starts.
When he starts it, run up to it and Snake will get in.
Shoot the barrels with the mounted weapon to blow a hole in the gate.
In the tunnel you’ll come to two checkpoints.
Kill the enemies at each one in order to progress.
The mounted weapon is actually easier to use in first person. Hold 
/ 
/ 
to enter first person.
After the second checkpoint, Liquid will once again appear.
All you have to do here is keep your fire on Liquid until the end.
Post Game
During the final cutscene, you’ll be given either the Bandanna or Stealth.
After the credits, you’ll be given your score for the game as well.
After your score, you’ll be asked to save your game. Save your game.
When you load up that completed save, you’ll be at the beginning of the game with the special items you received during your last playthrough.
If you followed this guide, you’ll have the Camera and either the Bandanna or Stealth.
Thank you for following along!
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