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