Defeat the soldiers in the holding cells without taking damage or killing anyone on Normal or higher difficulty

Defeat Revolver Ocelot without letting him reload his gun on Normal or higher difficulty

Defeat Revolver Ocelot without attacking him directly on Normal or higher difficulty

Get through the laser corridor in the Tank Hangar without using the cigarettes or thermal goggles

Destroy the tank using only Chaff Grenades, Socom, M9 and Magazines and without using rations on Normal or higher difficulty

Destroy the high-voltage panel in one shot from the Nikita launcher

Defeat the Ninja without taking damage or using weapons of any kind on Normal or higher difficulty

Defeat Psycho Mantis without Snake or Meryl taking damage or going prone on Normal or higher difficulty

Defeat Psycho Mantis using an alternate method

Defeat Sniper Wolf in the Underground Passage without missing a shot on Normal or higher difficulty

Climb Communication Tower A without killing anyone or using rations on Normal or higher difficulty

Rappel down the wall of Communication Tower A without taking damage on Normal or higher difficulty

On the Communication Tower Connecting Bridge, take out the soldiers firing only 3 shots from either the M9 or SOCOM on Normal or higher difficulty

Destroy the Hind D without using the Stinger on Normal or higher difficulty

Defeat the invisible men in the elevator without using any weapons on Normal or higher difficulty

Defeat Sniper Wolf in the Snow Field with only headshots and without missing a shot on Normal or higher difficulty

Defeat Sniper Wolf in the Snow Field using only the Nikita missile launcher on Normal or higher difficulty

Defeat Vulcan Raven without letting him spot you on Normal or higher difficulty

Defeat Vulcan Raven using only guns and without using rations on Normal or higher difficulty

Input all 3 PAL keys without leaving the Underground Base in one session

Destroy Metal Gear REX without taking damage on Normal or higher difficulty

Defeat Liquid Snake without taking damage with at least 1:00 remaining on Normal or higher difficulty

Escape from Liquid Snake in the jeep battle, taking damage no more than three times on Normal or higher difficulty

Raise your grip strength to level 3

Tease Mei Ling until she's had enough of you

Survive for five minutes in high alert status on Normal or higher difficulty

Complete the game in style

Destroy every possible camera in the game on Normal or higher difficulty

Exorcise all 40 ghosts in one session

Infiltrate the cargo dock, then find the DARPA Chief without any alerts, weapons or radar on Extreme difficulty

After reaching the Nuclear Warhead Storage Building, rescue Otacon and meet with Meryl without alerts, weapons (except Nikita) or radar on Extreme difficulty

After encountering Sniper Wolf in the Underground Passage, collect the PSG-1 in the Armory and return to the Underground Passage without alerts, weapons or radar on Extreme difficulty

Retrieve your equipment and reach the Underground Passage without alerts, damage, weapons or radar on Extreme difficulty

Find Metal Gear REX and input all three PAL codes without alerts or radar or using weapons except during rat hunt on Extreme difficulty

Collect all dog tags on Very Easy difficulty

Collect all dog tags on Easy difficulty

Collect all dog tags on Hard difficulty

Collect all dog tags on Extreme difficulty

Collect all dog tags in the game

Complete Boss Survival

Complete Boss Survival on Hard difficulty

Complete Boss Survival in 30 minutes on Hard difficulty

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 under 3 hours on Normal or higher difficulty

Complete the game without using a continue and no more than 5 saves on Normal or higher difficulty

Complete the game with no more than 8 alerts on Normal or higher difficulty

Complete the game with 0 enemies killed on Normal or higher difficulty

Complete the game without using a ration on Normal or higher difficulty

Complete the game using weapons no more than 400 times on Normal or higher difficulty

Complete the game without taking more than 5 life bars of damage on Normal or higher difficulty

Complete the game with a Big Boss rank with no radar

Find the DARPA Chief

Defeat Revolver Ocelot using lethal means

Defeat Revolver Ocelot using non-lethal means

Take out both gunners in the M1 Tank using lethal means

Take out both gunners in the M1 Tank using non-lethal means

Defeat That Ninja and rescue Dr. Emmerich

Do not doubt Mantis' power! He knows all about you!

Defeat Psycho Mantis using lethal means

Defeat Psycho Mantis using non-lethal means

Defeat Sniper Wolf in the Underground Passage using lethal means

Defeat Sniper Wolf in the Underground Passage using non-lethal means

Successfully resist the torture and escape your cell

Destroy the Hind D

Defeat Sniper Wolf in the Snow Field using lethal means

Defeat Sniper Wolf in the Snow Field using non-lethal means

Defeat Vulcan Raven using lethal means

Defeat Vulcan Raven using non-lethal means

Learn the truth about what's really going on

Input the PAL codes

Destroy Metal Gear REX

Defeat Liquid Snake

Escape Shadow Moses with Otacon

Escape Shadow Moses with Meryl

Reach the Communications Tower A Roof with the time bomb still in your inventory on Normal or higher difficulty

Defeat the enemies on the cargo elevator in 20 seconds on Normal or higher difficulty

Listen to all the briefing files, including the two hidden ones

Find the Anti-Personnel Sensor before leaving the Cargo Dock

Knock on the door and ask them to let you in

Take out the searchlights in the Heliport

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

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

Spy on the guards in both ventilation ducts without ever having been spotted

Find the Thermal Goggles before meeting the DARPA Chief

Spy on a soldier taking a leak

Watch the woman in the cell perform five different workout routines without those pesky pants in the way

Standoff with the soldier in the prison without the SOCOM

Collect the suppressor

Drop a hand grenade down the pit in the armory

Get the FAMAS in the Armory without triggering an alert

Execute the plumber to restore some health

Test the Gamecube's durability by throwing a hand grenade onto the desk with it

Follow Meryl into the bathroom and catch her before she can finish preparing for your arrival

Stare at Meryl for a while

Lose ownership of your box to a puppy

Collect or destroy all the claymore mines in the Underground Passage

Collect the PSG-1 in the armory without triggering an alert

Escape the cell using Otacon's plan that he didn't bother to tell you, then kick the crap out of the guard to vent your frustrations

Escape the cell using your own ingenuity and escape without knocking the guard out

Successfully resist at least 3 torture scenes and escape the cell without ever saving

Successfully resist 5 torture sessions and finally receive some help from an unexpected source

Find the camera on a new game file

Find the Body Armor before reaching the Communications Tower

Open the frozen door in Communication Tower A from the outside

Discover the parachute

Completely destroy the crane in the blast furnace

Find the PAL key in the drainage ditch as one would expect

Get the PAL key back from the thieving rat!

Use a box to hitch a ride

Catch a common cold, then take the cure

Beat up That Ninja dressed in bright red

Meet up with Meryl who has taken her love of Foxhound a little too far

Learn about Nastasha's past

Listen to a gloomy poem from Master Miller

Answer both of Deepthroat's optional calls

Kill rats until the Colonel gets tired of it

Kill at least 3 crows, then encounter Vulcan Raven in the Warehouse

Find a Moai

Collect all dog tags on Normal difficulty