Receive two incoming calls at once and introduce yourself to Schneider

Defeat the four guards and collect the silencer

Defeat the four silencer guards using only the handgun, firing no more than 8 shots

Get captured on purpose

Rescue Grey Fox

Defeat Shoot Gunner

Defeat Shoot Gunner without taking damage using only the handgun

Stroll out of the prison without defeating Shoot Gunner

Destroy all walls in Bldg 1 B1 without wasting any explosives

Defeat the Machine Gun Kid

Defeat the Machine Gun Kid using only the Submachine Gun without taking damage

Bldg 1 Roof: From the suspension bridge, reach the mine detector and the Hind, taking damage less than 3 times

Destroy the Hind

Destroy the Hind without taking damage

Parachute 35 feet down and find Dr Pettrovich's cell

Destroy the Tank

Destroy the Tank without taking damage

Reach the Checkpoint while still carrying the transmitter

Destroy the Bulldozer

Bldg 2 Roof: Rescue the POW, collect card 5 and reach the descending elevator without using body armor or rations

Find the doctor

Defeat the Fire Trooper

Defeat the Fire Trooper without taking damage before he can fire a third time

Defeat the Arnolds

Defeat the Arnolds without taking damage in less than 15 seconds

Survive the trip through the underground tunnel

Rescue Ellen Pettrovich

Rescue Dr Pettrovich and learn Metal Gear's weakness

Cross the desert without being stung

Almost learn the identity of the enemy commander

Defeat Coward Duck

Defeat Coward Duck using only remote-controlled missiles without taking damage or killing any hostages

Destroy Metal Gear

Destroy Metal Gear without taking damage in less than 90 seconds

Defeat the enemy commander

Defeat the enemy commander without taking damage or using cigarettes with at least 2300 left on the timer

Accomplish your mission and escape Outer Heaven!

Escape Outer Heaven without using the cigarettes with at least 1600 left on the clock

Receive your first promotion

Receive your second promotion

Receive your third and final promotion

Rescue all POWs in Building #1

Rescue all POWs in Building #2

Rescue all 24 Prisoners

Bldg #1: Collect all equipment and POWs on the Building 1: 1F and 3F and reach the hidden cell without raising an alert

Collect all equipment and POWs in Building 1: 2F and N Roof and cross the suspension bridge without raising an alert

Collect all equipment and POWs in Building 2: 1F & 2F without raising any unnecessary alerts

Collect all weapons and equipment

Get denied by Steve 3 times

Yeah, Grey Fox died of a heart attack. I don't know what happened.

Complete the game in one session without dying

Complete the game in one session in less than 1 hour

Complete the game in one session without killing any guards except bosses and during mandatory roof battles

Complete the game in one session using no more than 2 rations

Use the box to avoid an otherwise unavoidable alert

Discover the hidden truth behind Jennifer's shocking lie