Obtained every trophy.

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.

Reached 300 Fulton recoveries.

Reached 100 hold-ups.

Reached 100 kills.

Reached at least 100 stun attacks or sleep-inducing attacks.

Obtained every costume.

Assembled all special staff members.

Recruited Hideo Kojima.

Captured a mech.

Read all of Paz's diary.

Read Huey's love letter.

Read all of Strangelove's memoirs.

Cleared all hunting quests.

Performed CQC six times in a row.

Performed a Leap of Faith.

Wearing a cardboard box gives you that feeling of inner peace.

Attacked enemy soldiers by blowing up an oil drum or truck (single player only).

Carried out a mission in OUTER OPS.

Cleared "Capture the Enemy Base 06" in OUTER OPS using only soldiers.

Carried out a trade.

Sent an item using Delivery.

Obtained Rank S on a date with Paz.

Obtained Rank S on a date with Kaz.

Nicely cooked a ration.

Played using all of the rules in VERSUS OPS.

Collected a soldier using a divine wind.