Infiltrate the 1F ventilation duct and listen in on the guards talking about the intruder

Infiltrate the 2F ventilation duct and listen in on the guards talking about the intruder

Infiltrate either ventilation duct and listen in on the guards without ever having been spotted

Team up with the mysterious soldier and fight your way out of the prison

Reach the prison battle without obtaining the SOCOM

Kill only one enemy during the prison battle on Easy or higher difficulty (No Bandana)

In the Prison battle, take out all 12 enemies in first person

Defeat Revolver Ocelot and rescue the ArmsTech president

Defeat Revolver Ocelot using only the SOCOM, firing no more than 12 bullets on Easy or higher difficulty (No Bandana)

Defeat Ocelot before he can reload his gun on Easy or higher difficulty (No Bandana)

Defeat Revolver Ocelot entirely in first person using only the SOCOM

Destroy the M-1 Tank and enter the Nuclear warhead storage building

Destroy the tank with only two grenades on Easy or higher difficulty (No Bandana)

Take out the electric panel in one shot on Easy or higher difficulty (No Bandana)

Destroy all possible cameras before destroying the Electric Panel, without refilling your Oxygen on Easy or higher difficulty

Defeat the cyborg ninja and learn his true identity

Defeat the ninja without taking damage on Easy or higher difficulty (No Bandana)

Defeat the Ninja entirely in first person using no weapons whatsoever

Defeat Psycho Mantis and end his games once and for all

Defeat Psycho Mantis using the other method

Defeat Psycho Mantis without taking damage on Easy or higher difficulty (No Bandana)

Defeat Psycho Mantis entirely in first person without letting Meryl lose any health

Mantis knows what games you enjoy

Defeat Sniper Wolf at the communications tower

Defeat Sniper Wolf without using Diazepam or rations on Easy or higher difficulty (No Bandana)

Resist the torture and escape the prison

Successfully resist the torture scene and escape without having saved for the entire game

Successfully resist five torture sessions and escape the cell on Easy or higher difficulty

Climb the communications tower

Climb the communications tower without killing anyone on Easy or higher difficulty (No Bandana)

Complete the rappel section without taking damage more than twice on Easy or higher difficulty

Defeat the soldiers at the tower walkway using only the PSG-1 without taking damage on Easy or higher difficulty

Shoot down the Hind

Shoot down the Hind without taking damage on Easy or higher difficulty (No Bandana)

Survive the tower elevator ride

Survive the tower elevator ride without using any weapons on Easy or higher difficulty (No Bandana)

Defeat Sniper Wolf in the Snowfield

Shoot Sniper Wolf while she's running in Snowfield using the PSG-1 (No Bandana)

Defeat Sniper Wolf in the snowfield using only the Nikita Launcher using no more than 50% of your missiles fuel on Easy or higher difficulty (No Bandana)

Defeat Sniper Wolf in the Snowfield using only the PSG-1 without missing a single shot on Easy or higher difficulty (No Bandana)

Defeat the enemies on the freight elevator without using any weapons or snapping any necks on Easy or higher difficulty (No Bandana)

Defeat Vulcan Raven

Defeat Vulcan Raven using only traps without alerting him on Easy or higher difficulty (No Bandana)

Defeat Vulcan Raven using only missiles without taking damage on Easy or higher difficulty (No Bandana)

Find the PAL key in the drainage ditch

Take the PAL key back from the rat

Learn the truth about what's really going on

I really must express my gratitude

Destroy Metal Gear REX

Shoot Liquid Snake while he is inside REX using the PSG-1

Destroy Metal Gear REX without taking damage on Easy or higher difficulty (No Bandana)

Defeat Liquid Snake one-on-one

Defeat Liquid Snake in 1:45 or less on Easy or higher difficulty

Shoot Liquid Snake 10 times in a row without allowing him to hit you once on Easy or higher difficulty

Escape Shadow Moses with Otacon

Escape Shadow Moses with Meryl

Infiltrate Shadow Moses in style!

Beat up the cyborg ninja who's looking a little... different

Meet up with Meryl who has taken her love for FoxHound a little too far

Find the SOCOM

Run from one side of the heliport to the other and collect the chaff grenades without being seen by the searchlights

Collect the stun grenades in the heliport without using chaff grenades or being spotted by the security camera

Collect the C4 in the armory and blow open all hidden entrances

Collect the FAMAS and ammo in the armory without tripping the sensors

Collect every claymore in the Canyon before the tank battle without using the mine detector

Collect the Nikita launcher

Collect the PSG-1 and both boxes of ammo without tripping the sensors

Collect the Stinger missile launcher and collect 20 missiles before facing the Hind

Collect the suppressor

Collect the thermal goggles before locating the DARPA Chief

Collect the mine detector

Collect the gas mask

Collect the night-vision goggles at your earliest opportunity

Collect the Diazepam in the cave

Locate the camera on a new game file

Collect the body armor at the first available location

Use the box to hitch a ride to the Heliport, Nuke Building and Snowfield in one session

Catch cold and then cure it with the medicine

Feel the shame of using a mono TV

Tease Mei Ling until she's had enough of you

Listen to a poem from Master Miller

Learn about Nastasha's past

Listen to all briefing files including the two hidden files

Kill the rats until you get scolded for it

Kill the ravens until you get scolded for it

Receive a hidden call from Deepthroat

Receive a message from the developers

Listen to some tunes on your codec in 3 different locations

Knock on the door and ask them to let you in

Plant a C4 on a soldier's back while he's urinating and blow him up

Plant a C4 on a guard's back and get another guard with the explosion

Plant a C4 on the wall and lure a guard to it by knocking on the wall

Blow up a guard with a C4 explosive when he lifts your box

Lure a guard into your claymore with the box without hurting yourself in the explosion

Found a Moai

Watch the woman in the cell working out without her pants

Follow Meryl into the bathroom before she can finish... preparing

Make Meryl blush until she's about the color of a tomato

The puppy has claimed your box for his own. Hand it over

Reunite with Meryl across the minefield in two seconds flat

Escape the cell without killing or knocking out Johnny Sasaki

Kill Johnny Sasaki

Open the lower walkway door at the communications tower

Discover the parachute

Knock an enemy into the blast furnace

Destroy the crane in the blast furnace

Survive for five consecutive minutes in alert status (No Bandana. Docks and scripted scenes do not count)

Kill 30 enemies with the MP5 SD without leaving the area

Capture a photo of the ghost of Hideo Kojima

Complete the game on Very Easy or higher difficulty

Complete the game on Easy or higher difficulty

Complete the game on Normal or higher difficulty

Complete the game on Hard or higher difficulty

Complete the game on Extreme difficulty

Complete the game in 1P View Mode

Complete the Alternate Round

Complete the Alternate Round on Extreme difficulty with no more than 4 alerts

Complete the game in less than 3 hours

Complete the game without using any continues

Complete the game with no more than 4 alerts

Complete the game, killing no more than 25 enemies

Complete the game without using any rations

Earn the Big Boss rank

Earn the Big Boss rank on a new game file (No stealth camo or bandana)

Get shamed by Mei Ling and Nastasha for being where you shouldn't be