Obtained every trophy.
Obtained every costume.
Reached a total of 20,000 or more Camaraderie.
Reached 50 or more game overs.
Assembled all special staff members.
Carried out a trade.
Played using all of the rules in VERSUS OPS.
Heard a ghost on the radio.
Read all of Strangelove's memoirs.
Read all of Paz's diary.
Cleared all MAIN OPS and EXTRA OPS missions at Rank S.
Cleared all EXTRA OPS missions at Rank S.
Cleared all EXTRA OPS missions at Rank A or higher.
Cleared all EXTRA OPS missions.
Customized ZEKE's head parts and foot parts with special AI weapon parts.
Complete Metal Gear ZEKE.
Collected a soldier using a divine wind.
Obtained Rank S on a date with Kaz.
Threw a chaff grenade at ZEKE (single player only).
Defeated all AI weapons.
Cleared "Capture the Enemy Base 06" in OUTER OPS using only soldiers.
Performed a Leap of Faith.
Cleared all hunting quests.
Sent an item using Delivery.
Acquired stealth camouflage. Never worry about being detected ever again.
Attacked enemy soldiers by blowing up an oil drum or truck (single player only).
Acquired Infinity Bandana. Never worry about running out of bullets ever again.
Cleared all MAIN OPS missions at Rank S.
Read Huey's love letter.
Reached 100 kills.
Reached 300 Fulton recoveries.
Nicely cooked a ration.
Obtained Rank S on a date with Paz.
Reached 100 hold-ups.
Cleared all MAIN OPS missions at Rank A or higher.
Cleared Chapter 5: Outer Heaven.
Cleared Chapter 4: The Illusion of Peace.
Defeated Pupa, Chrysalis, Cocoon, Peace Walker.
Performed CQC six times in a row.
Cleared Chapter 2: The Phantom Hero.
Carried out a mission in OUTER OPS.
Rolled 100 times or more in a single mission.
Cleared Chapter 1: A Country Without An Army.
Recruited Hideo Kojima.
Reached at least 100 stun attacks or sleep-inducing attacks.
Cleared Chapter 3: A Nation Reborn.
Captured a mech.
Shot enemy right in the middle of the rear end.
Wearing a cardboard box gives you that feeling of inner peace.
Cleared Prologue: An Army Without Borders.