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

Cleared Chapter 4: The Illusion of Peace.

Cleared Chapter 3: A Nation Reborn.

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

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.

Cleared Prologue: An Army Without Borders.

Defeat The Boss

Defeat Volgin in a fist fight

Defeat The Sorrow

Defeat The End

Defeat The Fear