Collect An Armor Piece

Perform 100 5-hit combos

Take out the Gunship

Take a GAC hostage

Combine Jack and Shadow to kill 20 enemies in any level, on OFFICER or greater difficulty.

Shut down the electric fences

Escape from the GAC

Defeat Tseng

Perform 50 Shadow kills

Perform 50 disarms

Perform 200 3-hit combos

Complete any level (excluding the Prologue) without firing a shot

Help Jack and Frank into Milton