When fighting Laughing Octopus, lie down on one of the beds face up. She will straddle you, then Snake will knock her off. Note: All four of the Beauty characters will do that if they catch you as you lie down, regardless of the location.
At the start of the battle against Vamp, he falls down after you getting his health low enough . As he gets up, grab him in a CQC hold and inject him with the syringe that you acquired earlier to disable his Nanites and make him mortal.
You do not have to deplete Vamp's health before CQC grabbing him. Instead, hide and sneak up behind him for a CQC.
Rather than depleting his life, use a tranquilizer gun and shoot his head. He will fall down, instantly giving you the chance for the CQC.
Equipping the Altair costume after unlocking it will change Snake's posture. First, he stands with his hands by his sides and outstretched just like Altair, as opposed to hanging down in front of him with his fists clenched. This change will only occur when you do not have a weapon equipped. Second, where Altair had the ring finger on his left hand missing, Snake bends his up so it looks like his is missing. He will even keep his finger bent during intermission sequences in which the costume you are currently wearing appears.
The following is a list of all weapons available in the game:
Pistols Mk 2 Pistol (Tanq) Operator (Colt .45 with extended barrel) GSR (.45) Five Seven (gun used by Snake when he infiltrated Galuade) PMM PSS Glock 18C Mk.23 SOCOM (Snake's main handgun from Metal Gear Solid) Race Gun (fires ricochet bullets) Type 17 (broom handle machine pistol) Desert Eagle (originally used by Meryl) Desert Eagle Long Barrel 1911 Custom Thor .45-70 (rifle pistol) Solar Gun (causes enemies to drop weapons and does extreme damage to Vamp)
Sub-machine guns P90 M-10 Mp7 VZ. 83 Skorpion Bizon MP5sd2 Patriot (The Boss' weapon; has unlimited ammunition)
Assault rifles Ak102 M4 Custom Mk.17 G3A3 FAL Carbine An94 XM8 Sniper weapons Tanegashima (old flint lock that is very slow to reload, 33% of hits causes a whirlwind that carries off enemies making them drop items) M14EBR DSR-1 SVD VSS Mosin-Nagant (The End's sniper rifle) M82A2 RAIL GUN
Heavy machine guns HK21E M60E4 PKM MK.46 Mod 1 Shotguns Twin Barrel M870 Custom Saiga-12
To get the FIM-92A (Stinger) missile early in the game, in the South American power station, enter the power house and look towards the rear of the building. You will see a window. To the left of that is a metal wall computer with two blinking lights. Destroy it (try using C4). You will see a cinematic of the power ending and all is quiet. Run out the window and climb the ladder. Once at the top, shimmy to your left across the only wire there, then drop down and pick up the missile, along with your rations and noodles. It will be useful for the air support you will encounter.
During Act 5, if you die and wait an extended period to select "Continue" or "Exit", you will hear Liquid say "It's not over yet, brother!" and the "Exit" button will change to read "Exist". Using it will move your selection over to "Continue", but afterward you will have the option to exit again.
Sneak through the first area after the opening and go through the buildings. At the building to the right of when the APC shows up, crawl under the rubble to see a militia soldier get brutally shot after pleading for his life.
In the Middle East, go to the place with the two broken statues and press TRIANGLE to climb up on the empty statue pedestal in that area. Press TRIANGLE again and Snake will assume a statue position, and the OctoCamo will blend in with them. Continue pressing TRIANGLE and Snake will grab the crotch of the statue next to him and eventually break off that part of the statue.
You fight Crying Wolf in the same place you fought Sniper Wolf.
You can find the Hind D still in the Snowfield where you fight Crying Wolf.
If you switch your controller ports when your television switches to HIDEO 2 during the Mantis fight, Otacon will come on the Codec and let you know that the trick does not work twice. You will also get a suggestion about destroying the bust.
After you die during the final Boss battle and choose "Exit", it quickly changes to "Exist". Liquid Ocelot says "Not yet Snake, it's not over yet" and it moves the pointer back to "Continue"a reference to a quote by Liquid in the original Metal Gear Solid.
Attack Meryl during the Act 1 FROG attack sequence to have her say the same things she said when you attacked her in Metal Gear Solid.
When you die in Act 4, the "Game Over" music from the first Metal Gear Solid will play.
The password Johnny puts in to disable the laser trip trap is "MERYL SILVERBURGH".
When tailing the Resistance member look behind Snake, and occasionally you will see a man with a hat and trenchcoat tailing him. If you try to shoot him he will duck away around the corner and disappear.
There are dumpsters throughout the game which you can use to hide. Move in front of them and press Triangle when the prompt appears. Once inside, if you have a handgun, for example The Operator, you can hold L1 to lift up the lid of the dumpster and aim your gun from inside.
In Act 1, while in the underground hanger/cave, you can use the Mk II to listen to a wounded PMC soldier's conversation. He will talk about the Beauty And The Beast group before you actually meet them.
When tailing a resistance member, look behind you to somethines notice a man with a hat and trenchcoat also tailing him. This is how the scarabs found the hideout. If you try to shoot him, he will duck away around the corner and disappear.
Snake will find songs to put on his I-pod as the game progresses. The following songs have the corresponding effects on game play.
Beyond the Bounds Effect: Increases stun damage done by snake from non-lethal weapons Location: Stage 4 shadow moses, tank hangar. After power is restored, backtrack to the upper catwalk and explore all rooms.
Big Boss Effect: Increases stun damage and increases snake's accuracy How to unlock: Earn the big boss emblem
Bio-hazard Effect: Cause soldiers held by snake to scream in terror. Location: Stage 3 europe, midtown.
Destiny's Call Effect: Cause soldiers held by Snake to become enraged. How to unlock: Received randomly as a gift from a militia or rebel soldier when snake gives them a healing item.
Flowing Destiny Cause soldiers held by snake to cry Location: Stage 4 shadow moses, canyon. Before leaving the canyon area, examine the rocky walls for a hole hiding this item.
Fury, The Effect: Cause soldiers held by snake to become enraged. Location: Stage 2 south america, cove valley village. Inside the fire ravaged house.
MGS 4 Love Theme / Action Effect: Causes soldiers held by snake to cry. How to unlock: Received randomly as a gift from a militia or rebel soldier when snake gives them a healing item.
While in the basement lab at Shadow Moses, when the Gekko appears, send the Mk II to the electric console to the right of the elevator. Note: This is the same console that was destroyed with the rocket in the original Metal Gear Solid. Use the Mk II to reactivate the electric floor and destroy the Gecko.
If you take out a large enough number of enemies in a conflict zone, you hear Liquid from Metal Gear Solid say "You enjoy all the killing, that's why!", and Snake will vomit. Note: You can delay the vomiting by hugging the wall. The next time you kill someone, it will happen again until you finally vomit.
-Save the game during Act 1, then go to the Mission Briefing screen and choose the saved game from Act 1. Press SQUARE to control the Mk II while on the plane, then move the Mk II upstairs and search for an extra battery. Collecting it will double the operating life of all battery-powered devices in the game.
-Note: After completing the game, go to the mission briefings and work your way back from Act 4 to 2 to get three extra batteries instead of the allotted one.
During the Act 1 briefing, there is a PlayStation3 on the second floor of the plane.
Go upstairs on the Nomad during the Act 1 briefing to see Sunny unpacking her PS3 and PSP.
During the Act 2 briefing, there is a PlayStation3 on the table.
Next time you send out the MK2, look over Snake's shoulder by tilting the camerahe is using a PlayStation3 controller to control it.
If you use a Sixaxis controller against Psycho Mantis, he says, "What? No vibration!" and the flashbacks show the Sixaxis.
Use the Codec to call Rose during the fight with Screaming Mantis. Campbell will say to switch controller ports. Rose will get mad and say there are not any controller ports because this is on a PlayStation3.
While fighting in a Boss battle (exclude Vamp and Liquid Ocelot, only the Beauties), complete the first Boss phase (Beast form). After that, they will come out of their protective suit and try to grapple you. If you run around long enough and prolong the time (usually about five to ten minutes), the screen will fade and you will enter a white area all alone with the Beauty. Note: A timer will appear at the top of the screen and she will attempt to grapple again. Just equip the camera and aim it at her and she will pose for you. Click the camera on and off to get various poses. Eventually the timer will run out (3:00) and the Beauty will die. This works well when you want a new background for your PlayStation3, as the game allows you to take in-game photos and send them to your homepage.
-After defeating any of the four female Bosses, there is a second round where they walk towards you while trying to grab Snake. During this phase, run from them for three minutes and the screen around you and the Boss will turn white. Take out the digital camera you acquired from the mission briefings. The Boss will stop chasing you and do sexy poses for your camera.
-Play the "Oishii ChuhanSeikatsu" Japanese pop song on your iPod while fighting a Beauty and she will start dancing. If you aim a camera at her, she will pose.
The two puppets dangling from Screaming Mantis appear to be Psycho Mantis and The Sorrow from previous Metal Gear Solid games.
During the Nomad briefing missions, take control of the Mk II and go to the right of the helicopter. There are three separately caged chickens, each with its own label: "Solid", "Liquid", and "Solidus"--a reference to the three Big Boss clones. A further reference to those chickens happens at the start of Act 1 when Sunny is cooking eggs. She says "Only two eggs? Solidus must've taken the day off."
When Snake and Naomi talk about war changing and how it used to be "just a game", all of the Metal Gear Solid titles appear in an indexed list. After Metal Gear Solid 4, there are a couple boxes titled "In Production.
Otacon has a model of Rex next to his computer.
The rubber duck in the upper gantry of the Nomad can also be found in Capture The Flag mode in Metal Gear Online; in the GA-KO camouflage in Metal Gear Solid 3; and can be found floating in the flooded Shell Core in Metal Gear Solid 2.
When you first enter Big Mama's hideout and the guards talk about Snake, press L1 to see posters from Metal Gear Solid, Metal Gear Solid 2, Metal Gear Solid 3, and Metal Gear Solid: Portable Ops.
During the final showdown with Liquid, when it enters the third stage of the fight, Liquid will do Ocelot's signature hand gesture.
When playing as Snake in the online sneaking mode, avoid lit areas so your shadow isn't as apparent. Also, in stages where characters emit frosty breath, have Snake play dead while prone to make Snake's breath disappear.
When you are tracking Naomi's footprints in Act 2 after the Laughing Octopus fight, you will arrive at a river. Instead of crossing the river, look to your left. You will see another set of footprints. Follow these and they will lead you to a crop circle where you will hear some strange dialog by the Colonel about an alien abduction.
Leeroy Jenkins' grave can be seen directly behind Big Boss's, which comes into view when the camera pans around the area before Old Snake puts the gun into his mouth. You can also see it again while Old Snake is carrying Big Boss to The Boss's grave.
-Equip the Sorrow Doll and have the camera from the Nomad. You can use that camera to find thirty ghosts in Shadow Moses. After taking pictures of them, you can view them in the photo album with a new option. Note: The doll is only needed to see the ghosts prior to taking the photographs.
-In Shadow Moses, after returning to Otacon's office to shut down security and turn on the power, take a photograph of the area to the left of the Policenauts poster. When viewed you will see a superimposed image of Hideo Kojima's face.
-Take a picture of the wolves after the Crying Wolf battle to see Sniper Wolf's face in the corner.
While tracking Naomi, get to where there is a PMC soldier standing next to a claymore and move northeast from there to find a metal plate on the ground with signatures and handprints from the game's developers. Note: Lay down on it to get the handprint design for your camouflage. Register it to memory to use it whenever desired.
In Act 4, kill one of the wolves after defeating Crying Wolf. The others attack you. Call Otacon and he will wince. Call Rose and she will tell you that animal cruelty is the first sign of criminal behavior. She also says that she will have you psychologically assessed if you continue to kill them.
Do not pick up the camera during the briefing when it first becomes available. Instead, wait until Act 4 to get the camera and it will have a couple funny pictures of Naomi and Sunny playing around in the kitchen.
When you begin Act 5 at the bow of the Outer Haven submarine, there will be two large vents protruding from the floor nearby to the right. Avoid the frog soldiers surveying the area and stand atop one of the vents. You might see items below if you peek through the grid. To the left of your starting point will be a hatch in the floor. Crouch over it to get the option to perform a special action. Press Triangle to have Snake open the hatch, then drop in. Note that the hatch and the area beneath deck are difficult to see if you do not have your night vision switched on. Crawl through the vent into the space under the first vent. You will find the "Metal Gear Solid Main Theme" iPod song. Continue crawling into the next space and you will find an RPG-7. On the far side of the crawl space, there will be another hatch that Snake can use to return to the sub's deck. Snake will emerge in perfect cover behind some containers, but the Frogs might hear the hatch closing and inspect your area.
During the Act 2 briefing, use the Mk. II's view. Go up the stairs of the Nomad and look at Sunny's back pocket while she is cooking. You can see something in her pocket. Follow her downstairs. When Snake puts the plate down, get as close as possible to see Snake's cigarettes in her back pocket.
Have you tranquilizer gun ready and fire at the target, then get close the sleeping target and go into your crouch position. An icon should appear to wake the target up. Press [Action] to wake your target. When he or she is about to wake up, position yourself at either side or the back of the target. Aim your gun and Snake will hold-up the target. This is an easy way to do CQC and knife kills if you want to get the Assassin's Creed emblem and costume.
Call Otacon a couple times in Shadow Moses at the part where Snake originally fought Vulcan Raven in the tank (and is now where two sleeping Geckos are found). Otacon will say that "Snake is the craziest bad ass who ever lived".
There is a gun called the "Stun Gun" which is actually a reference to one of Hideo Kojima's older games, Boktai: The Sun Is In Your Hands for the Gameboy Advance. This is confirmed when Solid Snake raises the gun towards the sun to recharge and yells out "Sunlight", just like the main character did in Boktai.